N/A — Exam Answers

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Which compound is shown?

A
ATP
B
NADPH
C
ferredoxin
D
chlorophyll
4

What macromolecules make up most of the structure that is shown?

A
lipids
B
carbohydrates
C
proteins
D
nucleic acids
5

Which process is represented?

A
deletion
B
nondisjunction
C
insertion
D
translocation
6

Which conversion is the result of aerobic cellular respiration?

A
ATP to glucose
B
glucose to ATP
C
glycogen to lactic acid
D
glucose to glycogen
7

Which is a component of the modern cell theory that was not part of the original cell theory?

A
All organisms are made of cells.
B
A cell is the basic unit of structure and function for all living things.
C
All cells are similar in composition and metabolic activities.
D
All cells come from preexisting cells.
8

Which statement best describes the molecular structure of protein, along with one of the functions of proteins?

A
It is a simple carbon, hydrogen, and oxygen molecule that creates movement.
B
It is a chain of nucleotides, and forms muscle, bone, and ligaments.
C
It is a complex, folded chain that helps regulate cell processes.
D
It is a straight chain hydrocarbon that can help fight disease.
9

The chemical equation of photosynthesis includes 6 cap o sub 2 Which best describes this substance?

A
a liquid produced during photosynthesis
B
a gas produced during photosynthesis
C
a solid used during photosynthesis
D
a gas used during photosynthesis
11

Drinking too much water during exercise can cause a condition in which the concentration of sodium in the blood is lower than normal. What immediate response would the blood cells have in this condition?

A
Cells shrivel as water moves into them.
B
Cells shrivel as water moves out of them.
C
Cells swell as water moves into them.
D
Cells swell as water moves out of them.
12

What observation led researchers to propose that chloroplasts evolved from cyanobacteria?

A
Both produce proteins.
B
Both perform photosynthesis.
C
Both contain mitochondria.
D
Both provide structure to cells.
13

Why are algae and ferns both green?

A
They each contain chlorophyll that absorbs violet-blue light and reflects green light.
B
They each contain chlorophyll that absorbs green light and reflects violet-blue light.
C
Algae contain chlorophyll, and ferns contain ferredoxin that absorbs violet-blue light and reflects green light.
D
Ferns contain chlorophyll, and algae contain ferredoxin that absorbs green light and reflects violet-blue light.
14

Which statement correctly describes the electrons in a water molecule?

A
Electrons are pulled closer to the oxygen atom.
B
Electrons are located inside the nucleus of the hydrogen atoms.
C
Electrons are pulled closer to the hydrogen atoms.
D
Electrons are located inside the nucleus of the oxygen atoms.
15

Which compound is produced during carbon fixation?

A
cap c sub 6 cap h sub 12 cap o sub 6
B
G3P
C
PGA
D
RuBP
16

Which are produced as a result of meiosis?

A
tetrads
B
gametes
C
chromosomes
D
zygotes
17

Which of these is a method that geneticists use to determine if an individual has chromosome abnormalities?

A
examination of the meiosis process of the chromosomes
B
DNA fingerprinting of the individual
C
X-ray of the individual
D
karyotype of the individual’s chromosomes
18

Which best describes what happens to ATP during photosynthesis?

A
ATP is produced and then used to produce glucose.
B
ATP is changed to ADP and then moved to the cytoplasm.
C
ATP is formed and remains unchanged in the chloroplast.
D
ATP is broken down and then not used again.
19

Which is required for sexual reproduction?

A
mitosis
B
meiosis
C
diploid cell production
D
binary fission
20

Which substance is a compound?

A
oxygen
B
phosphorus
C
sulfur
D
salt

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