Explain the statement “all cells perform respiration but not all perform photosynthesis”.

1 answer:

6 0

Photosynthesis converts carbon dioxide and water into oxygen and glucose. This occurs in plants. Glucose is used as food by plants and has oxygen as a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

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C. Duplicate its genetic information

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We used a microscope marked ×10 on the eyepiece and ×25 on the objective to observe an object that is 0.5 mm long. How long will

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Explanation:

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The graph shows the changing levels of hormones during menstruation and ovulation. What is the general trend for hormones after

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Answer:

Hormone levels generally decrease.

Explanation:

The graph showed that hormone levels after ovulation generally decrease.

The menstrual cycle of women generally have 3 phases which include:

The follicular phase
The ovulatory phase
The luteal phase

The follicular phase is characterized by low levels of oestrogen and progesterone and a slightly high level of follicle stimulating hormone which ensures that follicles within the ovary develop.

The ovulatory phase is characterized by a surge in the luitenizing hormone (which stimulates the release of eggs) and follicle stimulating hormone with a decrease in the level of oestrogen and a gradual increase in the level of progesterone.

The luteal phase is characterized by a general decrease in the levels of luitenizing hormone and follicle stimulating hormone while oestrogen level may remain high.