THIS IS IMPORTANT

Plants take energy in the form of _________ and convert it to the form of ___________.

Question 1 options:

Light, sugar


Water, carbon dioxide


Light, carbon dioxide


Water, sugar

Question 2 (1 point)
Saved
The products of photosynthesis are ______________________.

Question 2 options:

Sugar and water


Sugar and oxygen


Water and carbon dioxide


Oxygen and water

Question 3 (1 point)
Saved
_________ molecules drive photosynthesis by absorbing energy from light.

Question 3 options:

Sugar


Carbon dioxide


Oxygen


Pigment

Question 4 (1 point)
When a photon of light energy reaches a reaction center chlorophyll molecule, what becomes excited?

Question 4 options:

A carbon dioxide molecule


An atom of oxygen


A molecule of water vapor


An electron

Question 5 (1 point)
The products of the light-dependent reactions of photosynthesis are _____________________.

Question 5 options:

Sugar and oxygen


ATP, NADPH, and oxygen


Sugar and water


ATP and sugar

Question 6 (1 point)
____________ is the final electron acceptor in photosystem I.

Question 6 options:

Chlorophyll


Water


Oxygen


NADP+

Respuesta :

Answer:

1. Light and Sugar

2. Sugar and oxygen

3. Pigment

4. An atom of oxygen

5. I don't know this one, sorry.

6. I don't know this one, sorry.

Explanation:

Answer:

1.) Water; carbon dioxide

2.) Sugar; oxygen

3.) Pigment

4.) An electron

5.) ATP, NADPH, and oxygen

6.) NADP+

Explanation:

The photosynthesis chemical equation states that the reactants (carbon dioxide, water and sunlight), yield two products, glucose and oxygen gas. Molecules called pigments absorb energy from light. The main pigment in photosynthesis is called chlorophyll. Chlorophyll exists in several different forms in different organisms. Chlorophyll a is the main photosynthetic pigment found in land plants and algae. A photon of light energy travels until it reaches a molecule of chlorophyll. The photon causes an electron in the chlorophyll to become “excited.” The energy given to the electron allows it to break free from an atom of the chlorophyll molecule. Chlorophyll is therefore said to “donate” an electron. In light-dependent reactions, the energy from sunlight is absorbed by chlorophyll and converted into chemical energy in the form of electron carrier molecules like ATP and NADPH. The final electron acceptor is NADP. In oxygenic photosynthesis, the first electron donor is water, creating oxygen as a waste product.

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