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Biology

2 answers:

dimaraw [331]2 years ago

8 0

Answer:

The answer is D

Explanation:

Serjik [45]2 years ago

6 0

Salutations!

Which is not a step in the rock cycle?

Sediments melt deep beneath Earth's surface is a not a step in the rock cycle. It doesn't play a part of role because it doesn't mention the cementation neither the composition of sediments getting inside a rock.

Thus, your answer is option D.

Hope I helped (:

Have a great day!

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4. Which pathway represents the flow of electrons during photosynthesis? (1 point) A.) H2O > Photosystem I > Photosystem I

Yuki888 [10]

Answer:

4. The correct pathway for the flow of electron during photosynthesis is mentioned in option D. $H_{2}O$ > NADP > Calvin cycle.

Electron is first provided to the photo-system II by the phtolysis of water.
Then it is passed to photo-system I with the help of plastoquinone (PQ) and cytochrome $b_{6}f$ .
Finally, electron from the photo-system II is used to reduce NADP to NADPH.
NADPH and ATP are used in light independent phase or Calvin cycle to synthesize carbohydrate from carbon dioxide.

5. The correct answer is B.) photosynthesis.

Photosynthesis is the process by which green plants synthesize glucose or carbohydrate from carbon dioxide and water in presence of sunlight and chlorophyll.
In light independent phase of photosynthesis, it requires ATP and NADPH in order to synthesize food.
Lastly, oxidation or breaking down of glucose releases energy and photosynthesis is a anabolic process instead of catabolic one.

4 0

2 years ago

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A trihybrid cross is a cross between two individuals who are heterozygous for three genes. For example: AaBbCc x AaBbCc. Assumin

Mariulka [41]

Answer:

27:9:9:9:3:3:3:1

Explanation:

The gametes of the parental genotypes would be

ABC, ABc, AbC, aBC, Abc, aBc, abC, abc

The cross between AaBbCc and AaBbCc will result into following offspring (image is also attached)

ABC ABc AbC aBC Abc aBc abC abc