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jenyasd209 [6]
2 years ago
7

About an hour or so after a sperm enters the ovum, these two cells suddenly fuse, becoming one cell called __________.

Biology
1 answer:
raketka [301]2 years ago
6 0

Answer:

A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.

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Photosynthesis occurs when
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Answer:

B) plants absorb energy from sunlight

Explanation:

Plants use energy from the sunlight to synthesize foods from carbon dioxide and water

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Where are hotspot volcanoes located
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2 years ago
What changes will the sympathetic nervous system of a rabbit initiate when the rabbit is being chased by a coyote? check all tha
mario62 [17]
The correct answer is: decrease motility in the intestine, dilate bronchioles in lungs, dilate pupils, secrete epinephrine, and speed up heartbeat.

Being chased by a coyote constitutes a highly stressful and threatening situation for the rabbit. This means that the rabbit's physiology will adapt and the body will get prepared for action, that is to run and avoid the coyote.
This response is called an acute stress response (also called fight or flight response) and includes a hormonal cascade. The autonomic nervous system is responsible for the regulation of this response.

All of the changes in the sympathetic nervous system are an effort to boost the body with the necessary energy to run as fast as possible. Some of these adaptations include the dilation the lungs' bronchioles and the speeding up of the heartbeat, in order to accelerate the lung and heart action. Also, the motility of the intestine is decreased to a point where digestion nearly stops, in order for the blood flow to support the muscular action. Finally, one part of the adrenal glands triggers the secretion catecholamines, meaning the norepinephrine and epinephrine hormones.
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2 years ago
Describe two roles that enzymes play in DNA replication. . . . <br><br><br> ×║thank you║×
galben [10]

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4 0
2 years ago
Which of the following statements is TRUE about fiber? A) Fiber is best obtained through pills and other fiber supplements. B) C
Nostrana [21]

Answer:

C) Increases in daily fiber intake should be gradual.

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Fiber is the indigestible part of plants and carbohydrates. Beans, peas and lentils are some sources of fiber.

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Increases in daily fiber intake should be gradual because a high fiber diet helps to prevent diseases like heart diseases, diabetes, constipation, and colon cancer. It also smoothens the digestive system and lowers the cholrestrol.

Hence, the correct answer is "C) Increases in daily fiber intake should be gradual."

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2 years ago
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