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Nata [24]
3 years ago
12

What happens to electrons when pigments in Photosystem II absorb light? They become excited and break down the pigments to relea

se ATP. They are pumped across the membrane into the thylakoid. They move through an electron transport chain to Photosystem I. They combine with oxygen and hydrogen to produce water.
Biology
2 answers:
Aleks [24]3 years ago
7 0

Answer: They move through an elctron...

When light is absorbed by one of the many pigments in photosystem II, energy is passed inward from pigment to pigment until it reaches the reaction center. The high-energy electron is passed to an acceptor molecule and replaced with an electron from water.

Explanation:

12345 [234]3 years ago
4 0

Answer:

They move through an electron transport chain to Photosystem I.

Explanation:

High-energy electrons move through the electron transport chain from photosystem II to photosystem I. Energy from the electrons is used by the molecules in the electron transport chain to transport H+ ions from the stroma into the inner thylakoid.

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Answer:

READ EXPLANATION

Explanation:

3 - B

4 - D

5 - A

6 - C (?)

7 - D

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Prolonged periods of drought in an area cause decreases in plant population
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2 years ago
How is F.O.I.L method used in studying genetics
Akimi4 [234]

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5 0
3 years ago
Indicate whether each of the following occurs mainly in G1 phase (G), S phase (S), or G2 phase (H) of the cell cycle. Your answe
Ronch [10]

Answer:

Correct choice should be:

"SGSG"

Explanation:

The cell cycle consists of G1, S, G2 and M phase. The former three phases include the interphase and M phase is the dividing phase of cell . G1 prepares cell for DNA synthesis. S phase is the phase where DNA replication takes place. G2 phase prepares cell for cell division or M phase.

G1 phase preceeds replication or S phase and G1 phase licences DNA replication.

During other phases of cell cycle, ORC complex masks origin of replication. ORC phosphorylation takes place at S phase, which removes this omplex and unmasks origin of repication site so that replication machinery can bind to it.

DNA helicase activation: S phase

DNA helicase deposition on DNA at the replication origins: G phase (actually G1)

ORC phosphorylation: S phase

Licensing of replication origins : G phase (actually G1)

Hence correct choice should be:

SGSG

5 0
3 years ago
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