Asked by Nunya

What is the fundamental source of energy in the food you eat?

plants

photosynthesis

sugar

sun***

Positive hydrogen ions form during intermediate stages of photosynthesis. What is the composition of these ions?

a single proton***

two protons and an electron

a proton and two electrons

a proton and an electron

Which statement is true?

The Calvin cycle is the light-dependent stage of photosynthesis and occurs in the thylakoid membrane.

The Calvin cycle is the light-independent stage of photosynthesis and occurs in the thylakoid membrane.

The Calvin cycle is the light-independent stage of photosynthesis and occurs in the stroma.***

The Calvin cycle is the light-dependent stage of photosynthesis and occurs in the stroma.

Higher energy contained in the sugar molecules produced by photosynthesis comes from

light.***

water molecules.

ATP.

carbon dioxide molecules.

Which equation best summarizes cellular respiration?

6H2O + 6CO2 → C6H12O6 + 6O2 + Energy

6H2O + 6CO2 + Energy → C6H12O6 + 6O2

C6H12O6 + 6O2 + 6CO2 → 6H2O + Energy

C6H12O6 + 6O2 → 6H2O + 6CO2 + Energy***

Which statement is true?

Fats have a lower amount of energy than carbohydrates.

Fats and proteins have the same amount of energy.

Carbohydrates have a higher amount of energy than proteins.

Proteins and carbohydrates have the same amount of energy.***

In the Krebs cycle, how is citric acid formed?

Pyruvic acid molecules are broken down by an acetyl group.

Acetyl-CoA joins with a large molecule called oxaloacetic acid.***

Carbon dioxide bonds with a chain of coenzyme A.

Enzymes combine hydrogen ions, oxygen, and electrons.

The following are components of cellular respiration except

electron transport chain.

glycolysis.

electrolysis.***

the Krebs cycle.

Which macromolecule provides the energy that starts glycolysis?

ATP***

sugar

carbon dioxide

water

During which phase of cellular respiration is carbon dioxide released?

Krebs cycle

electron transport chain***

digestion

glycolysis

Which compound is a reactant in cellular respiration?

oxygen***

water

ATP

carbon dioxide

How many O2 molecules are required for two glucose molecules to undergo cellular respiration?

18

2

12***

6

Which statement is true?

Endotherms can insulate their bodies but can only self-regulate their body temperature voluntarily.

Endotherms cannot insulate their bodies and can only self-regulate their body temperature involuntarily.

Ectotherms can insulate their bodies and can self-regulate their body temperature voluntarily and involuntarily.

Ectotherms cannot insulate their bodies and can only self-regulate their body temperature voluntarily.***

Which activity uses ATP to raise body temperature?

hibernating

storing fats

panting

shivering***

Answers

Answered by Nunya
All correct, 100% :)
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