AnswersFL-2000310-Biology 1 Sem 1 - FlexMeiosis

Meiosis — Unit test Answers

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1
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Which best illustrates the result of the process of meiosis?

A
A pea plant has the same flower color as its parent plants.
B
A daughter looks different from both her mother and her father.
C
A cheetah cub has very similar fur to its mother.
D
A Labrador puppy looks exactly like its father.
2
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Which statement describes thylakoids?

A
Glucose is formed here.
B
Water molecules are formed here.
C
Only photosystem II functions here.
D
Photosystems I and II function here.
3

Which statement best describes the process of chemiosmosis and the direct result of its occurrence?

A
Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma. ADP is converted to ATP.
B
Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma. ATP is converted to ADP.
C
Hydrogen ions flow from the stroma down a concentration gradient through ATP synthase channels into the thylakoid. ADP is converted to ATP.
D
Hydrogen ions flow from the thylakoid against a concentration gradient through ATP synthase channels into the stroma. ADP is converted to ATP.
4

Which best defines a diploid cell during meiosis?

A
a cell that has double the number of chromosomes as the parent cell
B
a cell that has half the number of chromosomes as the parent cell
C
a cell that has double the number of chromosomes as the daughter cell
D
a cell that has half the number of chromosomes as the daughter cell
5

If an organism's diploid number is 12, what would be its haploid number?

A
3
B
6
C
24
D
48
6

Why is the Calvin cycle considered a dark reaction?

A
It occurs only at night.
B
It requires an absence of light.
C
It turns the plant dark green.
D
It can proceed in the dark.
7

Which question can be answered by following the scientific method?

A
What was the highest temperature that was recorded yesterday?
B
What is the most interesting aspect of the light-dependent reactions?
C
How does a change in temperature affect the stomata of a plant?
D
How many stomata are there on this leaf?
8

Tissue cultures (samples of cancer cells) are taken from cancer patients, and the cells are then grown in a laboratory. What is the purpose of growing cancer cells in a laboratory?

A
to test medicinal treatments before giving them to patients
B
to replace cancer cells with healthy cells
C
to provide evidence of cancer cells in the patient
D
to stop the cancer from growing in the patient
9

Which equation represents fertilization?

A
haploid + diploid = diploid
B
diploid + haploid = haploid
C
haploid + haploid = diploid
D
diploid + diploid = diploid
10

Which term identifies a light-absorbing pigment?

A
photosystem
B
ferredoxin
C
thylakoid
D
chlorophyll

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