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Worksheetss138 1st Semester Review
Total questions: 156
Worksheet time: 2hrs 38mins
Name
Class
Date
1.
When writing a hypothesis, what information do you fill in after THEN?
a)
dependent variable
b)
independent variable
c)
how you know it will happen
d)
anything good
2.
The factor in an experiment that will be changed.
a)
dependent variable
b)
independent variable
c)
controlled variable
d)
not this one.
3.
The factor that will happen because of the change.
a)
dependent variable
b)
independent variable
c)
controlled variabe
d)
not this one.
4.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
5.
Which of the following terms refers to the variable that is measured or recorded as the results of the experiment?
a)
Experimental Controls
b)
Test Controls
c)
Dependent Variable
d)
Independent Variable
6.
Which of the following terms refers to a group that receives treatment with the independent variable?
a)
Constant group
b)
Control group
c)
Dependent group
d)
Experimental group
7.
Which of the following terms refers to the group that receives no treatment with the independent variable?
a)
Constant group
b)
Control group
c)
Dependent group
d)
Experimental group
8.
Which of the following is not a characteristic of life?
a)
Homeostasis
b)
Requires energy
c)
Reproduces sexually
d)
Made of cells
9.
On which axis would you place the independent variable?
a)
X
b)
Y
c)
Z
10.
On which axis would you place the dependent variable?
a)
X
b)
Y
c)
Z
11.
Which is the group not receiving the test factor (IV)?
a)
control group
b)
experimental group
c)
constant
d)
placebo
12.
What is the term for all conditions that stay the same throughout the experiment?
a)
constant
b)
independent variable
c)
dependent variable
d)
control group
13.
True or False: A hypothesis must be stated in a way that is testable.
a)
True
b)
False
14.
Which term refers to data that is described using words?
a)
quantitative data
b)
qualitative data
c)
results
d)
trend
15.
Which term refers to data that is described using numbers?
a)
quantitative data
b)
qualitative data
c)
results
d)
trend
16.
Who was the first person to discover cells?
a)
Anton van Leeuwenhoek
b)
Robert Hooke
c)
Rudolf Virchow
d)
Mattias Schleiden
17.
What is NOT part of the cell theory?
a)
All living things have blood cells.
b)
All organisms are made of one or more cells.
c)
The cell is the basic unit of all living things.
d)
All cells come from existing cells.
18.
What cell part is NOT found in all cells?
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
Genetic Material
19.
The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?
a)
Prokaryotes have a nucleus.
b)
Eukaryotes have a nucleus.
c)
Prokaryotes are plant cells.
d)
There is no difference.
20.
How are eukaryotes different from prokaryotes?
a)
They aren't different, except the spelling.
b)
Phone a friend :/
c)
Eukaryotes have a NUCLEUS, prokaryotes do NOT!
d)
Prokaryotes have a NUCLEUS, eukaryotes do NOT!
21.
What organelle do plants have surrounding their cells that animal cells lack?
a)
Cell Wall
b)
Woody Stems
c)
Sharp thorns
d)
Cell Membrane
22.
What is NOT a name for the membrane that surrounds the nucleus?
a)
Double Membrane
b)
Genetic Material
c)
Nuclear Membrane
d)
Nuclear Envelope
23.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
24.
What is the difference between rough and smooth ER?
a)
There is no difference.
b)
Plants have rough ER, animals have smooth ER.
c)
What type of injuries the Doctors treat.
d)
Rough has ribosomes, smooth does not.
25.
Ribosomes are where proteins are made in cells, what are proteins made of?
a)
Amino Acids
b)
Meat
c)
Lipids
d)
Sugar and Spice
26.
ATP is made in the mitochondria. What is ATP?
a)
The Genetic Code
b)
An Infection
c)
Stored Energy
d)
An Organelle
27.
What is the process that plant and algae cells use to make food?
a)
Water Cycle
b)
Photosynthesis
c)
Decomposition
d)
Vegetarian
28.
What order is the level of orginization in?
a)
1.cell
2. organisms
3.tissues
4.organ
5.organ system
2. organisms
3.tissues
4.organ
5.organ system
b)
1.cell
2.tissues
3. organ sytem
4.organ
5.organisms
2.tissues
3. organ sytem
4.organ
5.organisms
c)
1. cell
2.tissues
3.organisms
4. organ
5. organisms
2.tissues
3.organisms
4. organ
5. organisms
d)
1. cell
2. tissues
3. organ
4. organ system
5. oranisms
2. tissues
3. organ
4. organ system
5. oranisms
29.
All of this type of cell are single celled.
a)
animal
b)
prokariotic
c)
plant
d)
eukariotic
30.
Which one gives us energy/ lets us use it
a)
mitochondria
b)
nucleus
c)
chlorophlast
d)
ribsome
31.
What uses cellular energy to move substances across a Cell Membrane?
a)
Active transport
b)
Diffusion
c)
Passive Transport
d)
Starwhals
32.
What is the movement of a substance across the cell membrane without using the cell's energy?
a)
Diffusion
b)
Osmosis
c)
Passive Transport
d)
Aliens don't wear hats.
33.
The diffusion or movement of water across the cell membrane. The water will always moves to higher concentrations. What is this?
a)
Diffusion
b)
Water Movement
c)
Osmosis
d)
This one might be correct?
34.
What is the random movement of molecules from an area of high concentration to an area of low concentration?
a)
Passive Transport
b)
Laser Narwhal
c)
Osmosis
d)
Diffusion
35.
Diffusion always occurs across/down a _______________ until the molecules are even in both areas. Fill in the blank.
a)
Facilitated Diffusion
b)
Osmosis
c)
Passive Transport
d)
Concentration Gradient
36.
What is the random movement of molecules from an area of high concentration to an area of low concentration.
a)
Strontium
b)
Facilitated Diffusion
c)
Shrimp
d)
Iriodocyclitus
37.
What is it called when one solution has a concentration that is higher than in another solution?
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Omnitonic
38.
What is it called when one solution has a concentration that is lower than in another solution?
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Omnitonic
39.
What is it called when one solution has a concentration that is equal to another solution?
a)
Isotonic
b)
Hypertonic
c)
Omnitonic
d)
Hypotonic
40.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
endoplasmic reticulum
d)
golgi apparatus
41.
You might think of me as the trash collector or recycler is maybe more accurate. What am I?
a)
cytoplasm
b)
lysosme
c)
vacuole
d)
ribosome
42.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
43.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
ribosomes
44.
Which structure is found in plant cells and not in animal cells?
a)
cell wall
b)
centriole
c)
nucleus
d)
cytoplasm
45.
Which organelle uses energy from sunlight to make sugar?
a)
mitochondria
b)
nucleus
c)
chloroplasts
d)
vacuoles
46.
Consists of a jellylike substance that contains many organelles.
a)
ribosomes
b)
cytoplasm
c)
chloroplasts
d)
cell wall
47.
Gives the cell a rigid, box-like shape; outside of the cell membrane; in plants.
a)
cytoplasm
b)
chromatin
c)
cell wall
d)
cell membrane
48.
Sac within the cytoplasm that is full of fluid; plants have one large; stores food, water, etc.
a)
vacuole
b)
cell wall
c)
lysosome
d)
ribosome
49.
What kind of ions are found in basic solutions?
a)
OH-
b)
H+
c)
H3O+
50.
Bases have a pH of ____.
a)
1-6
b)
8-14
c)
7
d)
0
51.
Acids have a pH of ___.
a)
1-6
b)
7
c)
8-14
d)
0
52.
Neutral solutions have a pH of ___.
a)
1-6
b)
7
c)
8-14
d)
0
53.
H+ ions are usually found in ____ solutions.
a)
acidic
b)
basic
c)
neutral
54.
Why do elements bond?
a)
to fill their outer shell
b)
they like electrons
c)
to exchange protons
55.
What kind of bonding unequally shares electrons?
a)
polar-covalent bond
b)
covalent bond
c)
ionic bond
d)
hydrogen bond
56.
Which two particles are found in the nucleus of an atom?
a)
protons & neutrons
b)
protons & electrons
c)
electrons & neutrons
57.
If an atom gives away an electron, will it become positive or negative?
a)
positive
b)
negative
58.
What is the atomic number of an element?
a)
number of protons
b)
protons + neutrons
c)
protons + electrons
d)
protons - electrons
59.
Where are protons located in the atom?
a)
nucleus
b)
outer energy levels
60.
Where are neutrons located in the atom?
a)
nucleus
b)
outer energy levels
61.
Where are electrons located in the atom?
a)
nucleus
b)
outer energy levels
62.
What is the smallest unit of an element that still retains its properties?
a)
atom
b)
nucleus
c)
proton
d)
electron
63.
What are polar covalent bonds?
a)
electrons are shared equally
b)
electrons are shared unequally
c)
electrons are transferred
64.
A charged atom that has gained or lost electrons is known as a(n) _____.
a)
ion
b)
isotope
c)
isomer
d)
neutral atom
65.
Which type of bonding causes all of water's unique properties?
a)
hydrogen bonding
b)
ionic bonding
c)
polar-covalent bonding
d)
covalent bonding
66.
The attraction between molecules of the same kind is known as _____.
a)
adhesion
b)
cohesion
c)
surface tension
67.
The attraction between molecules of different kinds is known as _____.
a)
adhesion
b)
cohesion
c)
surface tension
68.
What property of water allows insects to walk upon it?
a)
adhesion
b)
surface tension
c)
high heat capacity
69.
What causes an atom to be charged?
a)
gain or loss of electrons
b)
gain or loss of protons
c)
gain or loss of neutrons
70.
What is the function of molecule four?
a)
makes glucose
b)
stores energy
c)
encodes genetic information
d)
speeds up chemical reactions
71.
Molecule 3 is a(n)-
a)
monosaccharide
b)
triglyceride
c)
nucleic acid
d)
amino acid
72.
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 .
73.
What is the name of this molecule?
a)
amino acid
b)
nucleotide
c)
monosaccharide
d)
triglyceride
74.
Which macromolecule is this?
a)
protein
b)
lipid
c)
nucleic acid
d)
carbohydrate
75.
What is the function of macromolecule subunit shown?
a)
energy
b)
catalyst
c)
stores genetic information
d)
composes the majority of the cell
membrane
membrane
76.
What macromolecule subunit is this?
a)
monosaccharide
b)
triglyceride
c)
amino acid
d)
nucleotide
77.
In living organisms, lipids function mainly as:
a)
stored energy and transmitters of genetic information
b)
stored energy and components of cellular membranes
c)
Transmitters of genetic information and catalysts
d)
Catalysts of chemical reactions
78.
What is the relationship between proteins and nucleic acids?
a)
Nucleic acids use proteins for energy
b)
Nucleic acids are a subset of proteins
c)
Proteins are long polymers of
nucleic acids
nucleic acids
d)
Nucleic acids contain the information to make proteins
79.
Which of the following is an INCORRECT match of the carbohydrate with its function?
a)
sugar transport in plants--disaccharides
b)
energy storage in plants--starches
c)
energy storage in plants--lactose
d)
sugar transport in humans--glucose
80.
What monomer is used to build RNA and DNA?
a)
fatty acid
b)
amino acid
c)
Glucose
d)
nucleotide
81.
The diagram shows the structure of an amino acid. Which type of molecule is formed from amino acids?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
82.
Which of the following molecules is made up of glycerol and fatty
acids?
acids?
a)
sugars
b)
starches
c)
lipids
d)
nucleic acids
83.
Which statement is true about macromolecules?
a)
Simple sugars are made of polysaccharides.
b)
Glycerol is made of fatty acids.
c)
Proteins are made of amino acids.
d)
Nucleotides are made of nucleic acids.
84.
Which are enzymes?
a)
simple carbohydrates
b)
proteins that speed up chemical reactions
c)
lipids that make up the cell membrane
d)
a building block of DNA
85.
Which organelle breaks down sugar into something our cells can use? (ATP)
a)
cell membrane
b)
mitochondria
c)
Golgi body
d)
endoplasmic reticulum
86.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
87.
Phospholipids are used in what biological structure?
a)
RNA
b)
DNA
c)
Cell membrane
d)
Cell wall
88.
The loss of a protein's structure is called...
a)
Denaturation
b)
Unfolding
c)
Coiling
d)
Inactivation
89.
Oils are which type of macromolecule?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
90.
Lipids are made up of which of the following?
a)
glycerol and fatty acids
b)
glycerol and monolipids
c)
fatty acids and phosolipids
d)
amino acids and nucleotides
91.
These molecules are examples of ________.
a)
monosaccharides
b)
amino acids
c)
triglycerides
d)
fatty acids
92.
These molecules are examples of _________.
a)
amino acids
b)
triglycerides
c)
monosaccharides
d)
lipids
93.
What is the general term for this type of reaction?
a)
dehydration
b)
hydrolysis
c)
peptide
d)
water
94.
What type of Macromolecule is this reaction making?
a)
A lipid
b)
A Protein
c)
A carbohydrate
d)
A Nucleic Acid
95.
What is the name of the 3 carbon molecule that is involved in this reaction? (The molecule is on the left)
a)
glucose
b)
glycerol
c)
fatty acid
d)
sucrose
96.
What is the name of the long carbon chain on the right?
a)
A fatty acid
b)
glycerol
c)
steroid
d)
glucose
97.
This polymer would be classified as a ______.
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
98.
________ is an example of a STRUCTURAL carbohydrate found in plants. (it makes up the cell wall of plants.)
a)
glucose
b)
starch
c)
cellulose
d)
glycogen
99.
True or False. Cellulose, Starch, and Glycogen are all made of monomers of glucose.
a)
True
b)
false
100.
The substance on which an enzyme acts is the:
a)
product
b)
substrate
c)
active site
d)
activation energy
101.
What suffix is used in the names of most enzymes?
a)
- ase
b)
- gen
c)
- yme
d)
-nic
102.
The basic unit of life is called a (n)
a)
atom
b)
compound
c)
cell
d)
energy
103.
Keeping your internal body temperature the same is called
a)
excretion
b)
homeostasis
c)
respiration
d)
metabolism
104.
In order to be considered living an organism must have
a)
blood
b)
cells
c)
brains
d)
hair
105.
What is one chacteristic of life
a)
living things make freinds
b)
living things reporduce
c)
living things talk
d)
living things draw pictures of dogs
106.
Why do multicellular organisms produce new cells?
a)
to advance the growth of the organism
b)
to replace old cells or cells that are not working well
c)
to heal a tear or wound
d)
all of the listed answers
107.
In eukaryotic cells, DNA is wrapped around
a)
RNA
b)
proteins
c)
chromatin
d)
all of the listed answers
108.
A substance made up of DNA and protein is
a)
chromosome
b)
chromatid
c)
chromatin
d)
centromere
109.
The term used for "copying DNA" is
a)
Revolution
b)
Repetition
c)
Translation
d)
Replication
110.
The original cell that divides is called the
a)
mother cell
b)
parent cell
c)
daughter cell
d)
sister cell
111.
The two new identical cells are called
a)
mother cells
b)
daughter cells
c)
sister cells
d)
parents cells
112.
Uncoiled or spread out DNA is called
a)
chromosomes
b)
chromatids
c)
chromatin
d)
histones
113.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
114.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
115.
Nuclear membrane forms around chromosomes and begins to separate.
a)
Anaphase
b)
Telophase
116.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
117.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
118.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
119.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
120.
A chromatid is attached to a spindle fiber by the
a)
nucleolus
b)
deep furrow
c)
centromere
d)
centriole
121.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
122.
Identify the phase of mitosis
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
123.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
124.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
125.
The backbone of a DNA molecule is made of which two components?
a)
phosphate molecules and ribose sugars
b)
deoxyphosphate molecules and ribose sugars
c)
phosphate molecules and deoxyribose sugars
d)
deoxyphosphate molecules and deoxyribose sugars
126.
Which one of the following nucleotide pair bonds would be found in a DNA molecule?
a)
adenine-guanine
b)
guanine-cytosine
c)
adenine-cytosine
d)
cytosine-uracil
127.
Which sequence of DNA bases would pair with this partiaal strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
128.
DNA contains the code for constructing which molecules?
a)
proteins
b)
starches
c)
fats
d)
sugars
129.
mRNA stands for
a)
my RNA
b)
messenger RNA
c)
mitosis RNA
d)
mutated RNA
130.
What is the relationship between a protein, a cell, and DNA?
a)
DNA -> Protein -> RNA
b)
Protein -> RNA -> DNA
c)
RNA -> DNA -> Protein
d)
DNA -> RNA -> Protein
131.
An enzyme that adds complementary nucleotides to the template strand of the unzipped double helix until the entire molecule has been replicated.
a)
RNA Polymerase
b)
Okazaki Fragments
c)
DNA Polymerase
d)
Translation
132.
The building blocks of DNA & RNA consisting of a five-carbon sugar, a phosphate group, and a nitrogen-containing base.
a)
Genetics
b)
Replication
c)
Nucleotides
133.
The five carbon sugar found in RNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
134.
The five carbon sugar found in DNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
135.
After DNA is unzipped in the nucleus, this is the enzyme that binds to a specific section where an mRNA will be synthesized.
a)
RNA Polymerase
b)
DNA Polymerase
136.
An enzyme that breaks the hydrogen bonds holding the base pairs together as it UNWINDS and UNZIPS the double helix, allowing new nucleotides to bind to the single strands by base pairing.
a)
DNA
b)
RNA
c)
DNA Helicase
d)
RNA Helicase
137.
In messenger RNA, each codon specifies a particular...
a)
Nucleotide
b)
Enzyme
c)
Amino Acid
d)
Promoter
138.
The number of nitrogen bases in a codon is ....
a)
2
b)
3
c)
4
d)
6
139.
The process of making proteins on the ribosome based on instructions from messengerRNA is called...
a)
Transcription
b)
Translation
c)
Replication
d)
Transformation
140.
Changes in DNA sequences that affect genetic information are known as...
a)
Replication
b)
Mutations
c)
Transformation
d)
Translation
141.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
142.
What molecules do both DNA and RNA contain?
a)
uracil
b)
nucleotides
c)
thymine
d)
deoxyribose
143.
The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
144.
DNA sequence is ACAGTGC. How would this be coded on mRNA?
a)
TGTCACG
b)
UGUCACG
c)
GUGACAU
d)
CACUGUA
145.
Which process?
a)
mutation
b)
transcription
c)
respiration
d)
translation
146.
Translate the following:
5'-AUGCGCAAA-3'
5'-AUGCGCAAA-3'
a)
Met-Asp-Lys
b)
Met-Arg-Pro
c)
Met-Arg-Lys
d)
Arg-Pro-Lys
147.
Transcribe the following:
3'-TACCCGTAT-5'
3'-TACCCGTAT-5'
a)
5'-AUGGGCAUA-3'
b)
3'-AUGGGCAUA-5'
c)
5'-AUGCCGAUA-3'
d)
5'-ATGCCGATA-3'
148.
What is this diagram represent?
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
149.
What is the function of mRNA?
a)
storage of food
b)
prevents mutations
c)
provides energy
d)
carries genetic message
150.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
151.
How many neutrons are in an atom with an atomic number of 20, an atomic mass of 45, and a charge of +2?
a)
20
b)
25
c)
2
d)
18
152.
How many protons are in an atom with an atomic number of 20, an atomic mass of 45, and a charge of +2?
a)
20
b)
10
c)
2
d)
18
153.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
154.
How many protons will an atom have it it has 23 electrons and a charge of +3?
a)
23
b)
26
c)
20
d)
3
155.
In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _____________ electrons.
a)
lose
b)
gain
c)
share
d)
gain or share
156.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
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