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telo118 [61]
3 years ago
9

4

Biology
1 answer:
Luba_88 [7]3 years ago
8 0

Answer:

nitrogen fixation is the answer

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Scientists are conducting a study on the effectiveness of a new drug on memory loss. They are giving some of the test subjects t
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Explanation:

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About 80% of the human population can taste the chemical phenolthiocarbamide(PTC)" while the otter 20% can't. This characteristi
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Answer:

The tasting allele is dominant.

Explanation:

  • The law of dominance states that the dominant allele will always express itself in homozygous or heterozygous conditions.
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4 years ago
Investigate the conditions required for seed to germinate. keep the dishes at room temperature for a week.explain your observati
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Explanation:

Starting off, the conditions required for a seed to germinate are:

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Dry cotton wool: Seeds placed here will not germinate. They will not show any changes since not all the the conditions are met. (There's no water)

Wet cotton wool: Seeds placed here will germinate since all the conditions required for germinations to take place are met.

Covered with water: The seeds will gradually start to expand. The oxygen which is dissolved in water does not enter the seed due to excess water thus preventing germination.

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3 years ago
When a student adds a few drops of diluted picric acid to a paramecium slide, he observes that the paramecium releases some tran
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3 years ago
What phase of the cell cycle does DNA replicate?A. Prophase
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Answer:

<h2>Option - D</h2>

<h3>Hope it helps you </h3>

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