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Molecules and Cells Adaptive Quiz

Total questions: 174

Worksheet time: 2hrs 41mins

Name
Class
Date
1.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
2.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
3.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
4.

Which of the following is NOT a correct pair?

a)

Carbohydrates - Sugars & Starches

b)

Lipids - Fats & Oils

c)

Proteins - Waxes

d)

Nucleic Acids - DNA & RNA

5.
When a molecule has an opposite electrical charge on each end, it is known as what?
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
6.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
7.

Water can move up plant stems do the capillary action, which is the result of...

a)

Surface tension

b)

High specific heat

c)

Solubility

d)

Cohesion and adhesion

8.

What is the optimum temperature and pH of this enzyme?

a)

Temperature: 50°C, pH: 13

b)

Temperature: 37°C, pH: 7

c)

Temperature: 25°C, pH: 4

d)

Temperature: 45°C, pH: 10

9.

Enzymes act as catalysts, meaning they...

a)

Speed up chemical reactions

b)

Slow down chemical reactions

c)

Reverse chemical reactions

d)

Cancel chemical reactions

10.

Enzymes are a type of...

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acids

11.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
12.

Fats, oils, and waxes are examples of...

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

13.

Capillary action is the process of water molecules moving upwards through a narrow tube, such as a plant stem. Which characteristic of water causes this process?

a)

Adhesion

b)

Solubility

c)

Surface tension

d)

Hydrogen bonds

14.

The water inside a cell is capable of transporting nutrients throughout the cell because -

a)

the non-cohesive property of water allows nutrients to move freely

b)

the pH of pure water in a cell is 3

c)

hydrogen bonding creates a non-adhesive characteristic of water

d)

the polarity of the water dissolves substances

15.

Which of the following pairs are inaccurate?

a)

chromosomes - nucleic acids

b)

amino acids - proteins

c)

lipids - enzymes

d)

carbohydrates - energy

16.

What can be concluded from this graph?

a)

The reactants have less energy than the products

b)

The enzyme is consumed during the course of the reaction

c)

The enzyme lowers the energy of activation for the reaction

d)

The amount of free energy produced in the reaction increases with an enzyme

17.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
18.

The first scientist to use the term "cell" after looking at cork under a microscope was -

a)

Charles Darwin

b)

Anton van Leeuwenhoek

c)

Francesco Redi

d)

Robert Hooke

19.

Which of these is the best model of a prokaryotic cell?

a)
b)
c)
d)
20.

Which pair of structures best shows that plant cells have functions different from animal cells?

a)

Chloroplasts and cell walls

b)

Cytoplasm and mitochondria

c)

Nuclei and centrioles

d)

Ribosomes and cell membranes

21.

Which of the following is NOT found in all cells?

a)

Cell membrane

b)

Cytoplasm

c)

DNA

d)

Cell wall

22.

Which of the following is NOT true about proteins?

a)

They are made of amino acids

b)

They build muscle

c)

Enzymes are an example

d)

They are the main source of energy for your body

23.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
24.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
25.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
26.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
27.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
28.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
29.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
30.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
31.
What are the monomers of DNA?
a)
glycerols
b)
amino acids
c)
fatty acids
d)
nucleotides
32.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
33.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
34.

Enzymes belong to which class of macromolecules?

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

35.

DNA belongs to which class of macromolecules?

a)

proteins

b)

nucleic acids

c)

carbohydrates

d)

lipids

36.

Sugar belongs to which class of macromolecules?

a)

proteins

b)

lipids

c)

nucleic acids

d)

carbohydrates

37.

Which of the following is NOT a correct pair?

a)

Carbohydrates - Sugars & Starches

b)

Lipids - Fats & Oils

c)

Proteins - Waxes

d)

Nucleic Acids - DNA & RNA

38.

Enzymes act as catalysts, meaning they...

a)

Speed up chemical reactions

b)

Slow down chemical reactions

c)

Reverse chemical reactions

d)

Cancel chemical reactions

39.

Enzymes are a type of...

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acids

40.

The substance on which an enzyme acts is the...

a)

activation energy

b)

active site

c)

substrate

d)

product

41.

The location on an enzyme where the substrates fits into the enzyme is the enzyme's...

a)

reaction site

b)

inhibitor site

c)

receptor site

d)

active site

42.

Which of the following is a correct statement on the state of an enzyme at the conclusion of a chemical reaction?

a)

The chemical reaction causes the enzyme to reduce in size

b)

The enzyme is dissolved by the substrate that covers it during the reaction

c)

The enzyme is not changed by the chemical reaction

d)

The products of the reaction never release themselves from the enzyme

43.

TRUE or FALSE: The shape on an enzyme is important to its function

a)

TRUE

b)

FALSE

44.

Enzymes are sensitive to extreme...

a)

salt and sugar concentrations

b)

heat and pressure

c)

positive and negative charges

d)

temperatures and pH

45.

Enzymes only work with specific substrates because each substrate...

a)

actively interferes with other substrates around it

b)

has a specific activation site for enzyme attachment

c)

destroys its specific enzyme

d)

can only use a specific ionic bond with the enzyme

46.

Which number in the picture represents the enzyme?

a)

1

b)

2

c)

3

d)

4

47.

What is the optimum temperature and pH of this enzyme?

a)

Temperature: 50°C, pH: 13

b)

Temperature: 37°C, pH: 7

c)

Temperature: 25°C, pH: 4

d)

Temperature: 45°C, pH: 10

48.

DNA replication is...

a)

DNA making mRNA

b)

mRNA coding for amino acids

c)

DNA being copied

d)

DNA being divided between two cells

49.

DNA replication must take place BEFORE...

a)

Cell division

b)

Cell death

c)

Protein synthesis

d)

Photosynthesis

50.

DNA replication occurs in the...

a)

Endoplasmic Reticulum

b)

Mitochondria

c)

Ribosomes

d)

Nucleus

51.

The product of DNA replication is...

a)

Two different DNA strands

b)

Two identical DNA strands

c)

One new DNA strand

d)

One mRNA strand

52.

DNA replication is called semi-conservative because...

a)

It has been going on for thousands of years

b)

Half of the nucleotides are DNA, the other half are RNA

c)

Half of each new DNA strand comes from the old strand

d)

It usually votes Republican

53.

What is the complementary DNA sequence for the DNA strand ATCGGAACT.

a)

ATCGGAACT

b)

UAGCCUUGA

c)

CGATTCCAG

d)

TAGCCTTGA

54.

Protein synthesis is the process of...

a)

Converting light energy into chemical energy

b)

Breaking down food to release energy

c)

Building proteins

d)

Determining which protein is right for which job

55.

The two steps of protein synthesis are...

a)

Transcription and Translation

b)

Transcription and Replication

c)

Transcription and Transpiration

d)

Replication and Translation

56.

Transcription is _______ coding for ________.

a)

DNA coding for DNA

b)

DNA coding for mRNA

c)

mRNA coding for tRNA

d)

mRNA coding for proteins

57.

Transcribe the following DNA sequence:

TAAGGCCGA

a)

TAAGGCCGA

b)

ATTCCGGCT

c)

TUUGGCCGU

d)

AUUCCGGCU

58.

What is NOT a difference between DNA and RNA?

a)

DNA has four bases, RNA has five

b)

DNA has thymine, RNA has uracil

c)

DNA can't leave the nucleus, RNA can

d)

DNA is double-stranded, RNA is single-stranded

59.

How many codons are in the following mRNA sequence?


AAU-UAG-CUU-GAC

a)

3

b)

4

c)

16

d)

20

60.

Translation is _____ coding for ______.

a)

DNA coding for DNA

b)

DNA coding for mRNA

c)

mRNA coding for tRNA

d)

mRNA coding for protein

61.

The site of protein synthesis is the...

a)

Nucleus

b)

Chloroplast

c)

Ribosome

d)

Mitochondria

62.

Proteins are made of...

a)

Nucleotides

b)

RNA

c)

DNA

d)

Amino Acids

63.

Each codon codes for _____ amino acid(s).

a)

1

b)

2

c)

3

d)

20

64.

Which base pair is NOT found in RNA?

a)

adenine and thymine

b)

cytosine and guanine

c)

adenine and uracil

d)

guanine and cytosine

65.

Use the codon chart to find the amino acid for the codon ACC.

a)

Leu

b)

Asn

c)

Val

d)

Lys

66.

What is the purpose of photosynthesis?

a)

To break down food for energy

b)

To use sunlight to make food for plants

c)

To produce proteins

d)

To make new cells

67.

Where does photosynthesis take place?

a)

In the mitochondria of plant and animal cells

b)

In the chloroplasts of plant cells

c)

In the nucleus of animal cells

d)

In the ribosomes of plant cells

68.

What is the role of the green pigment chlorophyll in photosynthesis?

a)

Produce proeins

b)

Take in water

c)

Exchange carbon dioxide and oxygen

d)

Capture sunlight

69.

What are the reactants of photosynthesis?

a)

Water and carbon dioxide (+ light)

b)

Glucose and oxygen

c)

Water and oxygen (+ light)

d)

Glucose and carbon dioxide

70.

What are the products of photosynthesis?

a)

Water and carbon dioxide (+light)

b)

Glucose and oxygen

c)

Water and oxygen (+light)

d)

Glucose and carbon dioxide

71.

What is the formula for photosynthesis?

a)

C6H12O6 + 6O2 ---------> 6CO2 + 6H2O + ATP

b)

C6H12O6 + 6H2O ---Light--> 6CO2 + 6O2

c)

6CO2 + 6H2O ---Light--> C6H12O6 + 6O2

d)

6CO2 + 6O2 -----> C6H12O6 + 6H2O + ATP

72.

What is the purpose of cellular respiration?

a)

To break down food for energy

b)

To use sunlight to make food for plants

c)

To produce proteins

d)

To make new cells

73.

Where does cellular respiration take place?

a)

In the mitochondria of plant and animal cells

b)

In the chloroplasts of plant cells

c)

In the nucleus of animal cells

d)

In the ribosomes of plant cells

74.

Glucose is a...

a)

Protein

b)

Fat (Lipid)

c)

Sugar (Carbohydrate)

d)

Nucleic Acids

75.

What are the reactants of cellular respiration?

a)

Water, oxygen, and ATP

b)

Glucose and carbon dioxide

c)

Water, carbon dioxide, and ATP

d)

Glucose and oxygen

76.

What are the products of cellular respiration?

a)

Water, oxygen, and ATP

b)

Glucose and carbon dioxide

c)

Water, carbon dioxide, and ATP

d)

Glucose and oxygen

77.

ATP is..

a)

Sugar (carbohydrate)

b)

Fat (lipid)

c)

Energy

d)

Protein

78.

What is the formula for cellular respiration?

a)

C6H12O6 + 6O2 ---------> 6CO2 + 6H2O + ATP

b)

C6H12O6 + 6H2O ---Light--> 6CO2 + 6O2

c)

6CO2 + 6H2O ---Light--> C6H12O6 + 6O2

d)

6CO2 + 6O2 -----> C6H12O6 + 6H2O + ATP

79.

TRUE or FALSE: Plants can perform BOTH photosynthesis and cellular respiration

a)

TRUE

b)

FALSE

80.

How are photosynthesis and cellular respiration related?

a)

The form a cycle - the products of one become the reactants of the other

b)

Their formulas are essentially opposite

c)

They both involve the transformation of energy from one form to another

d)

All of the above

81.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
82.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin 
c)
Animals 
d)
Cells
83.
Which of the following scientists concluded that all animals are made of cells?
a)
Rudolf Virchow
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
84.
Which of the following scientists was the first to observe bacteria?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
85.
What is one way in which all living things on Earth are alike?
a)
All living things have hair.
b)
All living things are made of cells and come from other cells.
c)
The cells of all living things have chloroplast.
d)
All living things can move. 
86.

When cells are damaged, new cells are created by cell a process called cell division. How does the cell theory support this fact?

a)

It states that all cells have a nucleus which divides.

b)

It states that all living things are made up of one or more cells.

c)

It states that cells come from previously existing cells.

d)

It states that the basic units of structure and function are cells.

87.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
88.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
89.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
90.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
91.

Which of the following is NOT part of cell theory.

a)

All non-living things are made of cells

b)

All cells come from pre-existing cells

c)

Cells are the basic unit of structure and function of all living things

92.

Which scientist did NOT contribute to the cell theory?

a)

Anton Van Leeuwenhoek

b)

Robert Hooke

c)

Charles Darwin

d)

Matthias Schleiden

93.

A major difference between a hypothesis and a theory is that...

a)

Only a theory can be tested

b)

Only a hypothesis is developed by scientists

c)

Only a theory is supported by evidence from multiple experiments

d)

Only a hypothesis can be changed or modified

94.

Which of the following is a law?

a)

Living things evolve through natural selection

b)

If I drink 8 cups of water a day I will have more energy

c)

Microorganisms cause disease

d)

PV = nRT

95.

What did Rudolf Virchow contribute to cell theory?

a)

Cells are the basic unit of structure and function in all living things.

b)

All cells come from other cells.

c)

All animals are made of cells

d)

All plants are made of cells

96.
A ______ is a membrane bound structure inside a cell that performs a specialized function.
a)
Organelle
b)
Organ
c)
Nucleus
d)
Organ System
97.
A __________ is a lipid barrier that encloses the cytoplasm and controls what enters the cell.
a)
Cell wall
b)
Cell Membrane
c)
Cytoskeleton
d)
Lysosome
98.
A __________ is a membrane-bound structure in eukaryotic cells that contains the DNA.
a)
Nucleus
b)
Ribosomes
c)
Vacuole
d)
Mitochondria
99.
The ______________ is the jelly-like material inside the outer membrane of a cell that holds the organelles in place.
a)
Cytoplasm
b)
Lysosome
c)
Ribosome
d)
Flagella
100.
The ___________ is in charge of the production of energy within the cell.
a)
Vacuole
b)
Nucleus
c)
Chloroplast
d)
Mitochondria
101.
A _________ is a sac within the cell that stores water and nutrients for the cell.
a)
Mitochondria
b)
Golgi Apparatus
c)
Vacuole
d)
Endoplasmic Reticulum
102.
A __________ is the organelle that is responsible for photosynthesis in plants.
a)
Nucleus
b)
Choroplasts
c)
Vacuole
d)
Mitochondria
103.
A ___________ is a tough, protective barrier that surrounds the outer membrane of some types of cells.
a)
Cell membrane
b)
Nucleus
c)
Cell Wall
d)
Golgi Apparatus
104.
Which organelles are only found in plant cells?
a)
Cell Wall and Cell Membrane
b)
Chloroplasts and Ribosomes
c)
Chloroplasts and Cell Wall
d)
Nucleus and Vacuole
105.
What is the difference between Prokaryotic and Eukaryotic Cells?
a)
Prokaryotic cells do not have a nucleus, but Eukaryotic cells do
b)
Eukaryotic cells do not have a nucleus, but prokaryotic cells do
c)
DNA is free floting within a Eukaryotic cell, but not in a Prokaryotic cell
d)
Eukaryotic cells have a flagella, but Prokaryotic cells do not
106.

Which of the following is the correct order of the levels of organization from SMALLEST to LARGEST?

a)

Organs, Tissues, Organ Systems, Organism, Cells

b)

Cells, Tissues, Organs, Organ Systems, Organism

c)

Cells, Organism, Organs, Tissues, Organ Systems

d)

Organisms, Tissues, Cells, Organ Systems, Organs

107.

Which of the following is NOT part of cell theory?

a)

All living things are made of cells

b)

All cells contain a nucleus

c)

Cells are the basic unit of life

d)

Cells come from other, pre-existing cells

108.

The main function of the cell is to...

a)

Give your eyes color

b)

Produce heat

c)

Make proteins

d)

Cells have no function, they are just building blocks

109.

Proteins are important because...

a)

They help build more cells and tissues

b)

They transport nutrients in and out of cells

c)

They act as enzymes to speed up reactions

d)

They send signals as hormones

e)

All of the above AND MORE

110.

The main difference between prokaryotes and eukaryotes is...

a)

Eukaryotes have a nucleus and membrane-bound organelles

b)

Eukaryotes are smaller and simpler than prokaryotes

c)

Eukaryotes have a cell wall and prokaryotes have a cell membrane

d)

Prokaryotes do not have DNA

111.

Which of the following organelles is NOT matched to its correct function?

a)

Cytoskeleton - jelly-like fluid that fills the cell

b)

Centriole - helps with cell division

c)

Flagella and Cilia - movement

d)

Vacuole - stores water, nutrients, and waste

112.

Cells in your liver need to package and secrete a large number of enzymes to help with digestion. You would expect them to have more...

a)

Golgi bodies

b)

Mitochondria

c)

Chloroplasts

d)

Nuclei

113.

What organelle allows plant cells to use photosynthesis - the process of making sugar using sunlight?

a)

Cell Wall

b)

Central Vacuole

c)

Cytoplasm

d)

Chloroplast

114.

Which organelle is larger in plant cells than animal cells?

a)

Golgi apparatus

b)

Vacuole

c)

Mitochondria

d)

Lysosomes

115.

Which type of cells have cell walls?

a)

Plant Cells

b)

Animal Cells

c)

Both Plant and Animal Cells

116.

Which organelles can ANIMAL cells have, but NOT plant cells?

a)

Cell wall and chloroplast

b)

Flagella, cilia, and centrioles

c)

Chloroplast, centrioles, and cytoplasm

d)

Cytoplasm and cytoskeleton

117.

What happened that allowed cells to be studied?

a)

Cells increased in size.

b)

Scientists began to work together.

c)

Scientists became smarter.

d)

The microscope was invented and improved.

118.

Euglena are unicellular organisms that live in pond water and contain a nucleus, chloroplast, and flagellum. Given this information, we can determine that euglena...

a)

Are prokaryotic

b)

Can use photosynthesis

c)

Reproduce sexually

d)

Are a type of fungi

119.

In the cycle shown in the figure above, which processes are shown by letters A and B?

a)

A - respiration, B - photosynthesis

b)

A - respiration, B - excretion

c)

A - decomposition, B - excretion

d)

A - decomposition, B - transpiration

120.

Photosynthesis and cellular respiration are often described as existing in a cycle. Which statement best describes why this is true?

a)

Heterotrophs can perform photosynthesis and cellular respiration, while autotrophs can only perform photosynthesis

b)

Each reaction results in chemical products that are needed as reactants for the other reaction

c)

Plants perform cellular respiration and animals perform photosynthesis

d)

Plants perform only photosynthesis and animals perform cellular respiration

121.
The cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration is called
a)
Osmosis
b)
Simple Diffusion
c)
Active Transport
d)
Passive Transport 
122.

When there is a lower concentration of water outside of a plant cell rather than inside a plant cell, the plant will tend to -

a)

lose water and wilt

b)

gain water and become rigid

c)

grow towards the sun

d)

increase its rate of photosynthesis

123.

To create proteins, mRNA copies the DNA code. The mRNA must then transfer the DNA code from the nucleus to the ribosomes that are located in the cytoplasm. What action occurs next at the ribosomes?

a)

Messenger RNA is transcribed back into DNA to create nucleotide bases

b)

Nucleic acids are formed through the DNA code

c)

Nucleotides detach to form individual protein strands

d)

Specific proteins are formed through the linking of amino acids

124.

The picture below is an example of _________________.

a)

osmosis

b)

isotonic

c)

diffusion

d)

active transport

125.

During osmosis

a)

water moves from high to low concentration

b)

large or oddly shaped molecules move across a cell membrane

c)

water moves when energy is used

d)

proteins are built

126.

What is this image?

a)

cell membrane

b)

proteins

c)

nucleus

d)

mitochondria

127.
In DNA, Adenine pairs with ___________. 
a)
Guanine
b)
Cytosine
c)
Thymine
d)
Uracil
128.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
129.

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

a)

UATUAGA

b)

ACGACTG

c)

CAUCAGU

d)

CATCAGT

130.
During metaphase, the chromosomes
a)
disappear
b)
line up in the middle
c)
separate
d)
condense
131.
During interphase, the cell
a)
grows, repairs, and makes more DNA.
b)
shrinks or shrivels.
c)
enters a deep cycle.
d)
stops growing
132.
During telophase,
a)
nuclear membranes begin to form
b)
chromosomes line up in the middle
c)
nuclear envelope breaks
d)
chromosomes pull apart
133.
During which part of the cell cycle does a cell spend most of it's time?
a)
metaphase
b)
anaphase
c)
interphase
d)
telophase
134.
The picture shown represents
a)
interphase
b)
prophase
c)
telophase
d)
cytokinesis
135.
The picture shown represents
a)
anaphase
b)
metaphase
c)
interphase
d)
telophase
136.
The picture shown represents
a)
cytokinesis
b)
telophase
c)
anaphase
d)
metaphase
137.
The picture shown represents
a)
telophase
b)
metaphase
c)
anaphase
d)
prophase
138.
The picture shown represents
a)
cytokinesis
b)
prophase
c)
nucleus
d)
metaphase
139.

During prophase

a)

chromosomes line up in the middle

b)

chromosomes pull apart to opposite ends

c)

DNA condenses into chromosomes, nucleus dissolves

d)

two new, identical cells are produced.

140.

During cytokinesis

a)

cytoplasm divides to form two cells

b)

chromosomes condense

c)

spindle fibers begin to form

d)

the cell grows and repairs

141.

During anaphase

a)

sister chromatids are pulled apart to opposite ends

b)

spindle fibers begin to form

c)

2 new identical cells are made

d)

chromosomes line up in the middle

142.

DNA replication happens during...

a)

Interphase

b)

Prophase

c)

Telophase

d)

Cytokinesis

143.

The end result of mitosis is...

a)

One new cell

b)

Two new identical cells

c)

Two new different cells

d)

Two cells with half the DNA

144.

During prophase, the DNA is condensed into bundles called...

a)

Centrioles

b)

Spindle Fibers

c)

Chloroplasts

d)

Chromosomes

145.

Which of the following has the phases of mitosis in the correct order?

a)

Interphase, Mitosis, Cytokinesis

b)

Prophase, Metaphase, Anaphase, Prophase

c)

Anaphase, Telophase, Prophase, Telophase

d)

Prophase, Metaphase, Anaphase, Telophase

146.

Osmosis is the movement of _______ across a semipermeable membrane.

a)

Water

b)

Solutes

c)

Salt

d)

Sugar

147.

What happened to this cell?

a)

Passive transport moved molecules out of the cell

b)

Passive transport moved molecules into the cell

c)

Active transport moved molecules out of the cell

d)

Active transport moved molecules into the cell

148.

Which of the following describes homeostasis?

a)

keeps variables exactly at the set point

b)

organism's ability to maintain steady(stable) internal conditions

c)

acts to keep values outside of a desired range

d)

operates through positive feedback

149.

Diffusion and facilitated diffusion are examples of...

a)

Active Transport

b)

Passive Transport

150.

Which type of transport moves molecules from HIGH to LOW concentration?

a)

Active Transport

b)

Passive Transport

151.

Which type of transport requires ATP (energy)?

a)

Active Transport

b)

Passive Transport

152.

Which type of transport results in equilibrium?

a)

Active Transport

b)

Passive Transport

153.

Which type of transport would use a protein PUMP, which requires energy?

a)

Active Transport

b)

Passive Transport

154.

This picture shows...

a)

Passive Transport (Diffusion)

b)

Active Transport

155.

This picture shows...

a)

Passive Transport (Diffusion)

b)

Active Transport

156.

DNA can also be referred to as...

a)

Deoxyribonucleic Acid

b)

The genetic material

c)

The source of genetic information

d)

All of the above

157.

DNA replication is...

a)

DNA making mRNA

b)

mRNA coding for amino acids

c)

DNA being copied

d)

DNA being divided between two cells

158.

DNA replication must take place BEFORE...

a)

Cell division

b)

Cell death

c)

Protein synthesis

d)

Photosynthesis

159.

DNA replication occurs in the...

a)

Endoplasmic Reticulum

b)

Mitochondria

c)

Ribosomes

d)

Nucleus

160.

The product of DNA replication is...

a)

Two different DNA strands

b)

Two identical DNA strands

c)

One new DNA strand

d)

One mRNA strand

161.

DNA replication is called semi-conservative because...

a)

It has been going on for thousands of years

b)

Half of the nucleotides are DNA, the other half are RNA

c)

Half of each new DNA strand comes from the old strand

d)

It usually votes Republican

162.

What is the complementary DNA sequence for the DNA strand ATCGGAACT.

a)

ATCGGAACT

b)

UAGCCUUGA

c)

CGATTCCAG

d)

TAGCCTTGA

163.

Protein synthesis is the process of...

a)

Converting light energy into chemical energy

b)

Breaking down food to release energy

c)

Building proteins

d)

Determining which protein is right for which job

164.

The two steps of protein synthesis are...

a)

Transcription and Translation

b)

Transcription and Replication

c)

Transcription and Transpiration

d)

Replication and Translation

165.

Transcription is _______ coding for ________.

a)

DNA coding for DNA

b)

DNA coding for mRNA

c)

mRNA coding for tRNA

d)

mRNA coding for proteins

166.

Transcribe the following DNA sequence:

TAAGGCCGA

a)

TAAGGCCGA

b)

ATTCCGGCT

c)

TUUGGCCGU

d)

AUUCCGGCU

167.

What is NOT a difference between DNA and RNA?

a)

DNA has four bases, RNA has five

b)

DNA has thymine, RNA has uracil

c)

DNA can't leave the nucleus, RNA can

d)

DNA is double-stranded, RNA is single-stranded

168.

How many codons are in the following mRNA sequence?


AAU-UAG-CUU-GAC

a)

3

b)

4

c)

16

d)

20

169.

Translation is _____ coding for ______.

a)

DNA coding for DNA

b)

DNA coding for mRNA

c)

mRNA coding for tRNA

d)

mRNA coding for protein

170.

The site of protein synthesis is the...

a)

Nucleus

b)

Chloroplast

c)

Ribosome

d)

Mitochondria

171.

Proteins are made of...

a)

Nucleotides

b)

RNA

c)

DNA

d)

Amino Acids

172.

Each codon codes for _____ amino acid(s).

a)

1

b)

2

c)

3

d)

20

173.

Which base pair is NOT found in RNA?

a)

adenine and thymine

b)

cytosine and guanine

c)

adenine and uracil

d)

guanine and cytosine

174.

Use the codon chart to find the amino acid for the codon ACC.

a)

Leu

b)

Asn

c)

Val

d)

Lys

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