WorksheetsSemester Exam Review
Total questions: 214
Worksheet time: 3hrs 1mins
Name
Class
Date
1.
If you see a science experiment set up in the classroom...
a)
do not touch anything until instructed.
b)
immediately begin working on the lab.
c)
go and check all equipment.
d)
walk around and check each station.
2.
You should read all instructions for a lab...
a)
only when you don’t know it.
b)
before you begin any part of the lab.
c)
as you perform the lab.
d)
after you set up the equipment.
3.
Horseplay or practical jokes in the laboratory are...
a)
always against the rules.
b)
okay.
c)
not dangerous.
d)
okay if you are working alone.
4.
Which of the following should not be worn during laboratory activities?
a)
loose clothing
b)
dangling jewelry
c)
open-toed shoes
d)
all of the above
5.
Which of the following is NOT a biomolecule?
a)
Water
b)
Nucleic Acid
c)
Protein
d)
Lipid
6.
A monomer is ...
a)
a single atom
b)
a building block for polymers
c)
a single element
d)
is an inorganic molecule
7.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
8.
Which foods are high in protein?
a)
Meats, cheeses, milk, eggs
b)
Breads, pasta, grains
c)
Butter, oil, lard
d)
Apples, Bananas, Grapes
9.
What is the functions of lipids?
a)
Quick source of energy
b)
Builds muscles, skin, enzymes
c)
Stores genetic information
d)
Stores energy, insulation, protection
10.
Which of the following is an example of a nucleic acid?
a)
Glucose
b)
Phospholipid
c)
Enzymes
d)
DNA
11.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
12.
Nucleotides are monomer for
a)
Nucleic Acids
b)
Proteins
c)
Carbohydrates
d)
Lipids
13.
Which biomolecule helps form animal tissues?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipids
14.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
15.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
16.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
17.
Which biomolecule is your main source of energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
18.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
19.
Many monomers can be cross-linked together to form ______________.
a)
molecules
b)
plastic material
c)
polymers
d)
balloons and silly putty
20.
What biomolecule do enzymes belong to?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
21.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
22.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
23.
What suffix is used in the names of most carbohydrates?
a)
-ase
b)
-nic
c)
-ose
d)
-yme
24.
Carbohydrates are the first source of _______ for the body?
a)
repair
b)
hygiene
c)
energy
25.
How do lipids function for cells?
a)
store information
b)
store energy
c)
breakdown wastes
d)
join with substrates
26.
Which of these substances stores the most energy?
a)
one gram of fat
b)
one gram of protein
c)
one gram of carbohydrate
27.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
28.
Which biomolecule makes up the cell membrane and hormones?
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
29.
What is the function of the mitochondria?
a)
Pack and ship proteins
b)
Make proteins
c)
Make energy (ATP)
d)
Removes waste
30.
I am the control center of the cell and house the DNA. Who am I?
a)
Cytoplasm
b)
Nucleus
c)
Ribosome
d)
Golgi Apparatus
31.
I am the tough exterior that protects plant cells and gives them their shape. Who am I?
a)
Cell wall
b)
Cell membrane
c)
Cytoplasm
d)
Mitochondria
32.
What is the function of the ribosomes?
a)
Transport proteins
b)
Make proteins
c)
Package and ship proteins
d)
Store water, food, and wastes
33.
I am way bigger in plant cells than I am in animal cells. What am I?
a)
Golgi Apparatus
b)
Nucleus
c)
Vacuole
d)
Ribosomes
34.
What is the function of chloroplasts?
a)
Helps plants make food from the sun
b)
Protects plant cells
c)
Store food and water
d)
Make energy for the cell
35.
I am the "trash room" and aid the cell with waste removal. Who am I?
a)
Centriole
b)
Golgi Apparatus
c)
Endoplasmic Reticulum
d)
Lysosome
36.
Which vital organelle is NOT present in red blood cells?
a)
Vacuole
b)
Nucleus
c)
Lysosome
d)
ER
37.
Which of the following organelles will you NOT find in an animal cell?
a)
Cell membrane
b)
Cell wall
c)
Golgi Apparatus
d)
Lysosome
38.
I am very present in muscles in order to provide massive amounts of ATP for movement and exercise. Who am I?
a)
Nucleus
b)
ER
c)
Mitochondria
d)
Ribosomes
39.
I am located in the leaves of plants, but NOT the roots. Who am I?
a)
Lysosomes
b)
Chloroplasts
c)
Vacuole
d)
Mitochondria
40.
I am the "security gate" of the cell and controls what enters and leaves. Who am I?
a)
Cell wall
b)
Golgi Apparatus
c)
Cytoplasm
d)
Cell membrane
41.
breaks down glucose to release energy for the cell
a)
nucleus
b)
lysosomes
c)
mitochondria
d)
vacuole
42.
What is the main
difference between prokaryotic and eukaryotic cells?
a)
Prokaryotic cells have a nucleus and Eukaryotic cells do not
b)
Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.
c)
Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.
d)
Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.
43.
The main function of chloroplasts is:
a)
To control what enters and leaves the cell.
b)
To break down food to release energy for the cell.
c)
To control all activities of the cell.
d)
To produce food for the cell using the sun's energy.
44.
The cytoplasm
a)
Is the gel-like fluid that holds other organelles in place.
b)
Breaks down food to produce energy for the cell.
c)
Is known as the "brain" of the cell.
d)
Is where photosynthesis takes place.
45.
Organisms composed of many cells are called
a)
Prokaryotic
b)
Eukaryotic
c)
Unicellular
d)
Multicellular
46.
Which types of organisms are Prokaryotes?
a)
Animals
b)
Plants
c)
Fungi
d)
Bacteria
47.
Unicellular organisms are
a)
Prokaryotic
b)
Eukaryotic
c)
Made of many cells
d)
Made of one cell
48.
This organelle helps plants keep their rigid structure.
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
49.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
50.
Oldest type of cell
a)
Prokaryote
b)
Eukaryote
c)
both
51.
Smaller
a)
Prokaryote
b)
Eukaryote
c)
both
52.
Has Mitochondria
a)
Prokaryote
b)
Eukaryote
c)
both
53.
Which has ribosomes?
a)
Prokaryote
b)
Eukaryote
c)
both
54.
Has cytoplasm
a)
Prokaryote
b)
Eukaryote
c)
both
55.
Has nucleus
a)
Prokaryote
b)
Eukaryote
c)
both
56.
Bacteria
a)
Prokaryote
b)
Eukaryote
c)
both
57.
Has chloroplast
a)
Prokaryote
b)
Eukaryote
c)
both
58.
more complex
a)
Prokaryote
b)
Eukaryote
c)
both
d)
both
59.
multicellular
a)
Prokaryote
b)
Eukaryote
c)
both
60.
plants
a)
Prokaryote
b)
Eukaryote
c)
both
61.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
62.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
63.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
64.
A single-celled organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane -bound organelle .
a)
Prokaryote
b)
Eukaryote
c)
Nucleus
d)
Single-celled organism
65.
Where is the DNA found in a prokaryotic cell?
a)
floating around in the cytoplasm
b)
in the nucleus
66.
Where is the DNA found in a eukaryotic cell?
a)
floating around in the cytoplasm
b)
in the nucleus
67.
What type of cell has a nucleus?
a)
eukaryotic
b)
prokaryotic
68.
What type of cell does not have a nucleus?
a)
eukaryotic
b)
prokaryotic
69.
Plants and animal cells are examples of ___ cells
a)
prokaryotic cells
b)
eukaryotic cells
70.
Which of the following must happen first in order for DNA replication to occur?
a)
DNA polymerase binds to the leading strand
b)
DNA is unwound
c)
Hydrogen bonds form between bases
d)
chromosomes condense
71.
A nucleotide consists of:
a)
a nitrogen base
b)
a nitrogen base and a sugar
c)
a nitrogen base, sugar, and phosphate
d)
two nitrogen bases, a sugar, and a phosphate
72.
The "rungs" of the DNA ladder are made of:
a)
phosphates and bases
b)
sugars
c)
sugars and phosphates
d)
bases
73.
A DNA strand has the following bases: A A G C C A. What are the bases on its complimentary strand?
a)
T T G C C A
b)
A C C G A A
c)
T T C G G T
d)
C C A T T C
74.
If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.
a)
10%
b)
20%
c)
40%
d)
80%
75.
DNA replication results in:
a)
2 completely new DNA molecules
b)
2 DNA molecules that each contain a strand of the original
c)
1 new DNA molecule, 1 old molecule is conserved
d)
1 new molecule of RNA
76.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
77.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
78.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
79.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
80.
Which of the following complementary base pairs are correct?
a)
A - T
b)
A - G
c)
T - C
d)
G - U
81.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
82.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
83.
What is the purpose of DNA replication?
a)
Cut the DNA
b)
Make more cells
c)
Apoptosis
d)
Duplicate the DNA
84.
What do we call DNA replication since new DNA has 1 parent strand and 1 new strand?
a)
Conservative
b)
Semiconservative
c)
Dispersive
85.
Why is it crucial that living things are able to replicate their DNA?
a)
Each cell must have its own DNA
b)
Less copies of DNA are needed when a new cell is created
c)
A cell needs multiple copies of DNA
d)
Only muscle cells need DNA
86.
Before the cell divides, what process needs to happen?
a)
Transcription
b)
Translation
c)
Replication
d)
Protein synthesis
87.
Which of the following is a base that is NOT contained in DNA?
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
88.
Cells of organism must replicate for ?
a)
growth
b)
repair of damaged cells
c)
replacement of dying cells.
d)
All of the above
89.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
90.
The division of the nucleus is known as:
a)
Synthesis
b)
Mitosis
c)
G1
d)
G2
91.
Humans have ________ pairs of chromosomes.
a)
21
b)
23
c)
46
d)
None of the above
92.
Eukaryotic cells store their genetic information(DNA) in __________.
a)
Chromosomes
b)
Centromeres
c)
karyotypes
d)
Proteins
93.
Uncontrollable cell growth is known as _____
a)
obesity
b)
cancer
c)
diabetes
d)
hepatitis
94.
The ___________ holds the replicated sister chromatids together.
a)
centriole
b)
chromosomes
c)
centromere
d)
cycles
95.
The cell spends most of it's life in ________________.
a)
mitosis
b)
cytokinesis
c)
Interphase
d)
None of the above
96.
In the G1 stage of the cell cycle, the cell
a)
Grows
b)
Matures
c)
Carries on normal activities
d)
All of the above
97.
In the S stage of interphase_______________
a)
the cell grows
b)
the nucleus divides
c)
the cell membrane divides
d)
the DNA is replicated
98.
In the G2 stage of cell division, ______________ are made.
a)
organelles
b)
structures for cell division
c)
proteins
d)
all of the above
99.
When an animal cell goes through cytokinesis,__________
a)
a cell plate forms dividing the 2 new nuclei.
b)
the cell membrane pinches off the 2 new cells.
c)
4 new cells are formed.
d)
None of the above
100.
A human cell has 46 chromosomes before mitotic division. How many chromosomes will the daughter cells after mitosis.
a)
12
b)
23
c)
46
d)
92
101.
Cell division is represented by what letter?
a)
A
b)
B
c)
C
d)
D
102.
A cell spends __% of its cycle in ____.
a)
100, interphase
b)
10, cytokinesis
c)
40, mitosis
d)
90, interphase
103.
The division of the nucleus is called ____.
a)
mitosis
b)
interphase
c)
cytokinesis
d)
somatic
104.
the division of the cytoplasm is called
a)
mitosis
b)
interphase
c)
cytokinesis
d)
somatic
105.
A repeating sequence of growth and division...
a)
Mitosis
b)
Interphase
c)
Cell Cycle
d)
Somatic
106.
Which of the following is correct?
a)
S phase, cell division
b)
M phase, cell growth
c)
G1 phase, DNA replication
d)
G2 phase, preparation for division
107.
Which of the following shows the correct order for mitosis
a)
Prophase, telophase, anaphase, metaphase
b)
telophase, metaphase, anaphase, prophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, metaphase, telophase, anaphase
108.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
109.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
110.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
111.
What stage is this?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
112.
What is the role of the spindle during mitosis?
a)
it changes the chromatin to chromosome
b)
duplicate the DNA
c)
breaks down the membrane
d)
separates the chromatids.
113.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
114.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
115.
Q1. Asexual reproduction occurs through _____.
a)
mitosis
b)
replication
c)
meiosis
d)
cytokinesis
116.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
117.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
118.
What’s the Correct order and function of stages of cell division
a)
G1-cell grows
G2-centrioles form
S phase-DNA replication
M phase- cell divides
b)
G1-cell grows
S phase- DNA replication
G2-centrioles form
M phase- cell divides
c)
G1-cell grows
S phase-DNA replication
G2 phase-centrioles form
M phase- cell divides
d)
G1-cell grows
G2-DNA replication
S phase-centrioles form
M phase- cell divides
119.
What happens in each step of mitosis
a)
Prophase chromosomes line up the middle of the cell
Metaphase spindle fibers form
Anaphase chromosomes pulled apart
Telophase splits into two cells
b)
Prophase DNA forms chromosomes which are pulled apart
Metaphase chromosomes line up on metaphase plate
Ànaphase Spindle fibers attach
Telophase cell splits into two cells
c)
Cells don’t go through mitosis
d)
Prophase spindle fibers form DNA condensed into chromosomes
Metaphase chromosomes line up on metaphase plate
Anaphase spindle fibers attach
Telophase cytoplasm starts to divide nuclear envelope reforms
120.
The stage of the cell cycle where the cytoplasm actually divides and there are 2 separate cells.
a)
mitosis
b)
prophase
c)
interphase
d)
cytokinesis
121.
In which organelle does cell division start?
a)
ribosome
b)
Golgi body
c)
mitochondrion
d)
nucleus
122.
The genetic material needed for the cell to duplicate is called ______.
a)
RMA
b)
BMW
c)
QVC
d)
DNA
123.
Mitosis
a)
body cells
b)
sex cells
124.
Stem cells are
a)
cells that grow uncontrollably.
b)
undifferentiated and can develop into many types of cells.
c)
cells that never go through cell division.
d)
only found in embryos.
125.
Name the phase:
a)
Anaphase
b)
Telophase
c)
Metaphase
d)
Prophase
126.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
127.
Adenine pairs with....
a)
The wae
b)
Thymine
c)
cytosine
d)
guanine
128.
Cytosine pairs with....
a)
Lipids
b)
Carbs
c)
Guanine
d)
thymine
129.
Name the phase:
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Metaphase
130.
Name the previous phase.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
131.
The organelle that helps in cell division and produces spindle fibers.
a)
Chromosome
b)
Centriole
c)
Cytoplasm
d)
Chloroplast
132.
Programmed cell death is called
a)
apoptosis
b)
cytokinesis
c)
interphase
d)
cancer
133.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
134.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
135.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
136.
The raw materials or reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
137.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
138.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
139.
Why do we eat food?
a)
to provide energy/fuel
b)
to eliminate waste products
c)
to prevent diseases
d)
to kill pathogens
140.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2
141.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
142.
What chemical reaction has almost the same products and reactants as cellular respiration but reversed?
a)
Rusting
b)
Photosynthesis
c)
Combustion
d)
Symphonies
143.
Where does cellular respiration take place in the cell?
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Vacuole
144.
What is the purpose of cellular respiration?
a)
to break down food
b)
to create energy in the body
c)
to release energy from food
d)
there is none; it's a waste of time
145.
How are photosynthesis and cellular respiration related?
a)
They have opposite equations
b)
they have the same equation
c)
they both produce carbon dioxide
d)
they both produce oxygen
146.
What gas is released into the air during photosynthesis?
a)
carbon dioxide
b)
oxygen
c)
water
d)
glucose
147.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water
d)
glucose
148.
What are the reactants of photosynthesis?
a)
glucose and oxygen
b)
water and carbon dioxide
c)
water and oxygen
d)
carbon dioxide and glucose
149.
What are the products of photosynthesis?
a)
glucose and oxygen
b)
glucose and carbon dioxide
c)
water and carbon dioxide
d)
water and oxygen
150.
What are the reactants in cellular respiration?
a)
glucose and oxygen
b)
glucose and carbon dioxide
c)
water and carbon dioxide
d)
oxygen and glucose
151.
What are the products in cellular respiration?
a)
water and carbon dioxide
b)
water and glucose
c)
carbon dioxide and oxygen
d)
glucose and oxygen
152.
What is the name of this process?
a)
cellular respiration
b)
photosynthesis
c)
glycolysis
d)
stomata
153.
What is happening at #3?
a)
oxygen and water vapor are being released
b)
glucose and carbon dioxide are being released
c)
energy is being released
d)
carbon dioxide and water are being released?
154.
What is happening at number 2?
a)
carbon dioxide enters the leaf
b)
oxygen enters the leaf
c)
water vapor enters the leaf
d)
sun's energy enters the leaf
155.
Photosynthesis occurs in specific parts of a plant. Where would it NOT occur?
a)
green leaves
b)
brown tree trunk
c)
green stem
d)
green branch
156.
The circled organelle shows a chloroplast. What is the function of the chloroplast?
a)
to capture the sun's energy
b)
to release energy
c)
to convert water, carbon dioxide and energy into glucose
d)
to convert oxygen into water vapor
157.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
158.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
159.
If all four plants were watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?
a)
Ingestion of carbon dioxide
b)
Filtration of water through the soil
c)
Photosynthesis
d)
Water absorbtion
160.
What type of RNA carries the DNA message out of the nucleus to the ribosomes?
a)
mRNA
b)
tRNA
c)
RNA
d)
DNA
161.
What do we call the process of turning DNA into mRNA?
a)
Translation
b)
Transcription
c)
Replication
162.
When DNA is transcribed to RNA....
a)
A pairs with U
b)
C pairs with U
c)
A pairs with T
d)
C pairs with T
163.
When the RNA gets to the ribosomes, which molecule transfers to the mRNA to amino acids?
a)
DNA
b)
mRNA
c)
tRNA
d)
Replicated RNA
164.
What is a Codon?
a)
4 base pairs that transfer to amino acids
b)
3 base pairs that transfer to amino acids
c)
3 base pairs that transfer to DNA
d)
3 base pairs that transfer to mRNA
165.
When transferring tRNA to amino acids, the process cannot begin until it reaches a...
a)
Beginning codon
b)
Start codon
c)
Initiator codon
d)
Anticodon
166.
The process of transferring the codons to the amino acids ends with what codon?
a)
Stop
b)
Terminal
c)
End
d)
Cancel
167.
What process is occurring in this photo?
a)
Transcription
b)
DNA unwinding
c)
Translation
d)
Transfer RNA is creating bases
168.
What process is occurring in this photo?
a)
Transcription
b)
Translation
c)
mRNA is matching with amino acids
d)
tRNA is transcribing the DNA
169.
The job of tRNA is to...
a)
carry amino acids to the ribosomes
b)
carry ribosomes to the ER
c)
carry mRNA out of the nucleus
d)
carry glucose to mitochondria
170.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA?
a)
Met-Pro-Val-Stop
b)
Met-Pro-Arg-Stop
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
171.
Which of the following best describes a DNA molecule?
a)
contains ribose
b)
made of amino acids
c)
contains Uracil
d)
double helix
172.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of:
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
173.
Which RNA bases would pair with TACGAA in transcription?
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
174.
Where does Translation occur?
a)
Proteins
b)
Mitochondria
c)
Ribosomes
d)
Cytoplasm
175.
What process does the energy come from to fuel protein synthesis?
a)
Cellular respiration
b)
ADP
c)
Carbohydrates
d)
Mitochondria
176.
What is transcription?
a)
When DNA is turned into RNA
b)
When RNA is turned into proteins
c)
When proteins are turned into DNA
d)
When proteins are turned in RNA
177.
What is translation?
a)
When DNA is turned into RNA
b)
When RNA is turned into proteins
c)
When proteins are turned into DNA
d)
When proteins are turned in RNA
178.
Which is NOT a difference between RNA and DNA?
a)
RNA is single stranded and DNA is double stranded
b)
RNA contains Uracil, DNA doesn't
c)
DNA has to stay in the nucleus, RNA doesn't
d)
RNA has extra proteins attached and DNA doesn't
179.
Which is the organelle that makes proteins?
a)
Nucleus
b)
Ribosomes
c)
Rough ER
d)
Golgi Apparatus
180.
Where is the DNA located?
a)
Nucleus
b)
Ribosome
c)
Golgi Apparatus
d)
Rough ER
181.
What is true about RNA?
a)
It is indestructible
b)
It can travel outside of the nucleus
c)
It has five nucleotides
d)
It contains twice as much thymine as DNA
182.
What is the correct order?
a)
Transcription then Translation
b)
Translation then transcription
c)
Translation then replication
d)
Replication then Translation
183.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
184.
The process of making proteins on the ribosome based on instructions from messenger RNA is called
a)
transcription
b)
transformation
c)
translation
d)
molecular biology
185.
What would the mRNA strand be after transcription of this DNA strand?
ATC
ATC
a)
TAG
b)
UAG
c)
GAG
d)
UAT
186.
One difference between DNA and RNA is that....
a)
Only RNA has the base Uracil
b)
only RNA contains the base Thymine
c)
only RNA contains the base Cytocine
d)
only RNA contained the base Guanine
187.
What is the correct amino acid for the following codon:
CAA
CAA
a)
Arg
b)
Met
c)
Gln
d)
Val
188.
Which of the following is NOT a nitrogen base in DNA?
a)
Cytosine
b)
Guanine
c)
Adenine
d)
Thymine
e)
Uracil
189.
Osmosis is a form of ______________.
a)
Passive Transport
b)
Active Transport
190.
Solutes move with the concentration gradient, therefore no energy is used.
a)
Passive Transport
b)
Active Transport
191.
Movement of materials from high to low concentration through a protein channel.
a)
Passive Transport
b)
Active Transport
192.
Low to High
a)
Passive Transport
b)
Active Transport
193.
Solutes move against the concentration gradient, therefore energy is needed.
a)
Passive Transport
b)
Active Transport
194.
Uses ATP (energy)
a)
Passive Transport
b)
Active Transport
195.
This is a picture of
a)
Cell wall
b)
Cell membrane
c)
chloroplast
d)
mitochondria
196.
How does a cell maintain homeostasis?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
197.
Another term for equilibrium is...
a)
Not enough
b)
Too little
c)
Homeostasis
d)
Too much
198.
The cell membrane is selectively permeable, which means...
a)
All materials can enter and leave the cell
b)
Certain things can enter while others cannot
c)
The cell manually sorts through all materials
d)
Only certain cells can interact with the cell.
199.
A can of air freshener is sprayed in the opposite side of the room. Ten minutes later you start to smell the scent. This is an example of
a)
diffusion
b)
active transport
c)
endocytosis
d)
osmosis
200.
Controlling what goes into or out of the cell without energy is called
a)
active transport
b)
endocytosis
c)
passive transport
d)
exocytosis
201.
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
202.
What is the name of the process in which molecules move from an area of high concentration to an area of low concentration across a selectively permeable membrane?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
203.
What is homeostasis?
a)
How the body releases oxygen
b)
Passive transportation
c)
How the body regulates itself for survival
d)
Active transport
204.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases
d)
Active uses hormones and passive does not
205.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup
d)
no concenteraion gradient
206.
Two examples of passive transport are
a)
Earth and Sun
b)
Diffusion and Osmosis
c)
Energy and Wind
d)
None of the above
207.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
208.
Against the concentration gradient
low to high
uses energy/ATP
low to high
uses energy/ATP
a)
facilitated diffusion
b)
osmosis
c)
active transport
d)
simple diffusion
209.
Most active transport proteins use energy from the breakdown of:
a)
nucleus
b)
cell membrane
c)
ATP
d)
mitochondria
210.
The movement of molecules against a concentration gradient
a)
simple diffusion
b)
facilitated diffusion
c)
active transport
d)
osmosis
211.
A molecule that diffuses down a concentration gradient goes from an area of ______ concentration into an area of ______ concentration.
a)
high, low
b)
low, high
c)
passive, active
d)
active, passive
212.
The difference in the concentration of a substance from one location to another is called
a)
diffusion
b)
osmosis
c)
concentration gradient
d)
passive transport
213.
Active transport requires ______, moves materials from __________________, and goes _______ the concentration gradient.
a)
No energy, low to high, against
b)
ATP, high to low, with
c)
ATP, low to high, with
d)
ATP, low to high, against
214.
Spraying Axe body spray in a corner of the room and someone on the opposite corner smells it is an example of what?
a)
Osmosis
b)
Facilitated diffusion
c)
Active transport
d)
Diffusion
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