5th grade help 10 qeustion

FratBro23
Category:
Science
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Question description

How is ADP converted to ATP?

by the addition of one adenosine molecule

by the addition of one phosphate group

by the removal of one adenosine molecule

by the removal of one phosphate group



Through which conversion is energy released?

ADP to ATP

ATP to ADP

NADP+ to NADPH

CO2 and H2O to C6H12O6 and O2


To which substance does ferredoxin transfer an electron?

photosystem I

photosystem II

NADP+

NADPH


Johannes wants to know whether soil, water, or both are needed for plant growth. He chooses to conduct experiments on a willow tree for five years to answer his question. How can his experimental methods be changed to improve his experiment?

He needs to ask scientists what they think.

He needs to conduct the experiment for a longer period.

He needs to use a larger sample size.

He needs to test more factors in the environment.


Which question can be answered by following the scientific method?

What was the highest temperature that was recorded yesterday?

What is the most interesting aspect of the light-dependent reactions?

How does a change in temperature affect the stomata of a plant?

How many stomata are there on this leaf?


How are the products represented in the chemical equation for photosynthesis?

O2 + 6CO2

C6H12O6 + 6H2O

6CO2 + 6H2O

C6H12O6 + 6O2


Jasmine and Marcus are at the park, and Jasmine makes the following statements. Which of them is an inference?

The leaves are green.

The flowers are breathtaking.

The plant is producing oxygen.

The bush has thorns.


Which statement best distinguishes the light-dependent (L-D) reactions from the light-independent (L-IND) reactions?

The L-D reactions occur in the thylakoid membrane, and the L-IND reactions occur in the stroma.

The L-D reactions occur in the cytoplasm, and the L-IND reactions occur in the chloroplast.

The L-D reactions occur in the chloroplast, and the L-IND reactions occur in the mitochondria.

The L-D reactions occur in the stroma, and the L-IND reactions occur in the cytoplasm.


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

Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma. ADP is converted to ATP.

Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma. ATP is converted to ADP.

Hydrogen ions flow from the stroma down a concentration gradient through ATP synthase channels into the thylakoid. ADP is converted to ATP.

Hydrogen ions flow from the thylakoid against a concentration gradient through ATP synthase channels into the stroma. ADP is converted to ATP.


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