AnswersBiologyOrganisms and Energy

Practice Test Answers

8 verified answers1 views
1
Free Preview

Which term identifies a light-absorbing pigment?

A
ferredoxin
B
photosystem
C
chlorophyll
D
thylakoid
2
Free Preview

Why is the Calvin cycle considered a dark reaction?

A
It requires an absence of light.
B
It turns the plant dark green.
C
It can proceed in the dark.
D
It occurs only at night.
4

How does adenosine triphosphate (ATP) become adenosine diphosphate (ADP)?

A
ATP releases energy as a phosphate bond is broken.
B
ATP releases energy as a phosphate bond is formed.
C
ATP stores energy as a phosphate bond is formed.
D
ATP stores energy as a phosphate bond is broken.
5

In algae and plants, photosynthesis happens in the

A
vacuoles.
B
mitochondria.
C
chromosomes.
D
chloroplasts.
6

Which of these can combine in a cell to convert a lower-energy molecule into a higher-energy molecule?

A
ATP plus cap p
B
ADP plus cap p
C
ATP plus cap p plus energy
D
ADP plus cap p plus energy
7

Which term is correctly paired with its role in the body?

A
glycogen – a hormone found in blood that regulates blood glucose levels
B
ADP – a molecule that releases energy when it forms ATP
C
insulin – a sugar that regulates blood glycogen levels
D
glucose – a sugar found in blood that can be broken down to produce ATP

Did you find these answers helpful?

Practice Test Answers — Biology