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SEMESTER 1 FINAL REVIEW
QUESTION #1
A
______________is made up of a sugar, a
nitrogen base, and a phosphate group.• A. amino acid• B. nucleotide• C. phospholipid• D. glycoprotein
ANSWER #1
B
- nucleotide
QUESTION #2G
lycogen, cellulose, and starch are all ________________
A
. Proteins
B
. Carbohydrates
C
. Nucleic acids
D
. lipids
ANSWER #2
B
. Carbohydrates
QUESTION #3
W
hat is this molecule?
ANSWER #3
A
– ATP MOLECULE
QUESTION #4
R
eactants in an enzyme catalyzed chemical
reaction are called ______
A
. Polymers B. Products
C
. Substrates D. Organics
ANSWER #4
C
. Substrates
QUESTION #5E
nzymes speed up chemical reactions by __
A
. Decreasing the activation energy
B
. Increasing the activation energy
C
. Making more hydrogen bonds
D
. Changing the pH of the solution
ANSWER #5
A
. Decreasing the
activation energy
QUESTION #6
M
acromolecule that can act as enzymes are ________
A
. Carbohydrates B. Lipids
C
. Nucleic acids D. Proteins
ANSWER #6
D
. Proteins
QUESTION #7
R
ole of the spindle fibers are ________
A
. Hold sister chromatids together
B
. Only work during metaphase.
C
. Move & separate the sister chromatids
D
. Separate the nucleus
ANSWER #7
C
. Move & separate
the sister chromatids
QUESTION #8
T
ransport proteins play a role in both
A
. passive and active transport.
B
. diffusion and vesicle transport.
C
. exocytosis and endocytosis.
D
. phagocytosis and passive transport.
ANSWER #8
A
. passive and active
transport.
QUESTION #9
What macromolecule has a 1:2:1 ratio for
Carbon to Hydrogen to Oxygen
a
. Carbohydrate c. Nucleic Acid
b
. Protein d. Lipid
ANSWER #9
A.
Carbohydrates .
QUESTION #10
The breakdown of which of the following provides
the largest number of ATP per molecule?
a
. carbohydrates c. proteins
b
. lipids d. cellulose
ANSWER #10
B
. Lipids
QUESTION #11
O
n a pH scale which number would be
considered bases.
A
1 B. 9
C
. 6 D. 7
ANSWER #11
B
. 9
QUESTION #12
W
hich part of a phospholipid molecule is non-polar
& hydrophobic
A
. Glycerol/phosphate head B. Protein
C
. The lipid tails D. Protein
channel
ANSWER #12
C
. The lipid tails
QUESTION #13
Atoms in molecules share pairs of electrons when
they make
a
. covalent bonds. c. hydrogen bonds.
b
. ionic bonds. d. polymers.
ANSWER #13
A
. covalent bonds
QUESTION #14
Substances are changed into different substances
when bonds break and form during
a
. chemical equilibrium. c. ion formation.
b
. chemical reactions. d. hydrogen bonding.
ANSWER #14
b
. chemical
reactions.
QUESTION #15
The most abundant compound in most living
things is
a
. carbon dioxide c. sodium chloride
b
. water d. sugar
ANSWER #15
B
. Water
QUESTION #16
When salt is dissolved in water, water is the
a
. reactant. c. solute.
b
. solution. d. solvent.
ANSWER #16
D
. Solvent
QUESTION #17
Which of the following organic compounds is
the main source of energy for living things?
a
. carbohydrates c. nucleic acids
b
. lipids d. proteins
ANSWER #17
A
. carbohydrates
QUESTION #18
W
hich phrase best describes smooth ER?
a
. produces lipids c. connected to the
Golgi apparatus
b
. protected by vesicles d. stored in the
central vacuole
ANSWER #18
A
. produces lipids
QUESTION #19
Which organelles contain enzymes that break
down old cell parts?
a
. centrosomes c. vacuoles
b
. lysosomes d. chloroplasts
ANSWER #19
B
. lysosomes
QUESTION #20
Which of the following processes require energy?
a
. exocytosis c. active transport
b
. endocytosis d. All of the above
ANSWER #20
D
. All of the above
QUESTION #21
Which organelle is involved in the production of
ATP in eukaryotic cells?
a
. lysosome c. Golgi apparatus
b
. vacuoled. mitochondria
ANSWER #22
D
. mitochondria
QUESTION #23
W
hich of the following represents the phases of mitosis in their proper
sequence?
a
. prophase, metaphase, anaphase, telophase
b
. interphase, prophase, metaphase, anaphase, telophase
c
. interphase, prophase, metaphase, telophase
d
. prophase, metaphase, telophase, anaphase
ANSWER #23
A
. prophase, metaphase,
anaphase, telophase
QUESTION #24
W
hich of the following cell types is haploid?
a
. ovum c. gamete
b
. sperm d. All of the above
ANSWER #24
D
. All of the above
QUESTION #25
What phase will crossing over occur in?
a
. Prophase c. Prophase I
b
. Interphase d. Metaphase II
ANSWER #25
C
. Prophase I
QUESTION #26
W
hich 2 kinds of molecules combine to form cell membranes?
A
. Nucleic acids & carbohydrates
B
. Phospholipids and proteins
C
. Carbohydrates & nucleic acids
D
. Polysaccharides & RNA
ANSWER #26
B
. Phospholipids and
proteins