Each human egg has 46 chromosomes and the sperm has no chromosomes. a. True b. False

Biology

2 answers:

pav-90 [236]3 years ago

8 0

False, The sperm has 23 chromosomes

Lunna [17]3 years ago

5 0

False ......hope this helped

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What is the significance of the fact that the human trachea is reinforced with cartilage rings?

White raven [17]

Answer:

Cartilage rings of trachea have protective role

Explanation:

Trachea is a tube, part of the respiratory system, which allows the passage of the air: from larynx to lungs (primary bronchi). It is enveloped with cartilage rings that prevent collapse of the trachea when there is no air. The cartilage "rings" are C-shaped, except one full ring-shaped - the cricoid cartilage which attaches trachea to the larynx.

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2 years ago

Repeating the experiment multiple times

nalin [4]

Answer:

C) Practicing good scientific method and practices.

Explanation:

The text states, "repeating the experiment multiple times," as well as other preparations that a good scientist uses.

Doing something multiple times over is a good sign of a good scientific method.

Taking careful measurements, having several researchers run the same experiment, and only testing one variable at a time are all good practices that a scientist should use.