Question

Which process in photosynthesis uses energy from the sun?(1 point)
Responses...

combining carbon dioxide and hydrogen
combining carbon dioxide and hydrogen

splitting water into hydrogen and oxygen
splitting water into hydrogen and oxygen

absorbing carbon dioxide
absorbing carbon dioxide

releasing oxygen
GPT-4o mini
The process in photosynthesis that uses energy from the sun is **splitting water into hydrogen and oxygen**. This occurs during the light-dependent reactions of photosynthesis, where sunlight energy is harnessed to split water molecules, releasing oxygen as a byproduct and providing electrons and protons for the synthesis of energy-rich molecules.
ATP is a(1 point)
Responses

form of energy that can be used and stored.
form of energy that can be used and stored.

usable form of energy.
usable form of energy.

form of energy that can be stored and released as heat.
form of energy that can be stored and released as heat.

storable form of energy.
GPT-4o mini
ATP is a **usable form of energy.** It provides energy for various cellular processes but is not typically described as being stored for long periods, as it is used almost immediately by cells.
ATP stores some of the energy from glucose molecules during glycolysis. How is the remaining energy from these glucose molecules released?(1 point)
Responses

Water
Water

Electron Transport Chain
Electron Transport Chain

Heat
Heat

Carbon Dioxide
GPT-4o mini
The remaining energy from glucose molecules, after some is stored in ATP during glycolysis, is released through the **Electron Transport Chain**. This process occurs in the mitochondria and is responsible for using the electrons from reduced coenzymes (like NADH and FADH2) generated in earlier stages (including glycolysis) to produce more ATP and release energy in the form of heat and other byproducts.
Which role does photosynthesis play in the flow of energy? (1 point)
Responses

Photosynthesis allows plants to create energy for themselves to store and use for metabolism.
Photosynthesis allows plants to create energy for themselves to store and use for metabolism.

Photosynthesis converts radiant energy to chemical energy to be used by organisms in the food chain.
Photosynthesis converts radiant energy to chemical energy to be used by organisms in the food chain.

Photosynthesis is how plants break down glucose to use for energy.
Photosynthesis is how plants break down glucose to use for energy.

Photosynthesis provides radiant energy to all the organisms in the entire food chain.
Photosynthesis provides radiant energy to all the organisms in the entire food chain.
GPT-4o mini
The correct response is: **Photosynthesis converts radiant energy to chemical energy to be used by organisms in the food chain.**

This process allows plants to capture sunlight and convert it into chemical energy in the form of glucose, which can then be used by various organisms in the food chain for energy.
The nitrogen cycle requires _____ to convert nitrogen to nitrites and nitrates.(1 point)
Responses

bacteria
bacteria

animals
animals

legumes
legumes

plants
GPT-4o mini
The nitrogen cycle requires **bacteria** to convert nitrogen to nitrites and nitrates. Specifically, certain types of bacteria, such as nitrogen-fixing bacteria and nitrifying bacteria, play crucial roles in these conversions.
How do energy and matter move in ecosystems?(1 point)
Responses

Matter flows in one direction, and energy cycles through the environment.
Matter flows in one direction, and energy cycles through the environment.

Energy and matter cycle through the environment.
Energy and matter cycle through the environment.

Energy and matter flow in one direction.
Energy and matter flow in one direction.

Energy flows in one direction, and matter cycles through the environment.
GPT-4o mini
The correct response is: **Energy flows in one direction, and matter cycles through the environment.**

In ecosystems, energy typically flows from producers to consumers and ultimately to decomposers, while matter is recycled in various biochemical cycles (such as the carbon and nitrogen cycles).

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