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tekilochka [14]
3 years ago
14

True/False :

Biology
1 answer:
Lunna [17]3 years ago
8 0

Answer:

1. the middle piece contains the chromosomes.  FALSE

2. the tail contains the mitochondria.  FALSE

3. the acrosome is next to the tail.  FALSE

4. the head contains 46 chromosomes.  FALSE

5. the acrosome is next to the nucleus, and the head contains 23 chromosomes. TRUE

Explanation:

The major parts of a mature spermatozoan in human males are the head, middle piece and the tail. The head of the sperm is a flattened and pointed structure that contains a nucleus. There are 23 chromosomes present in the nucleus. Chromosome surrounds the anterior two-thirds of the nucleus. The acrosome is a caplike vesicle and is filled with hydrolytic enzymes that help a sperm during fertilization. The middle piece contains mitochondria that provide the energy (ATP) for locomotion of sperm to the site of fertilization and for sperm metabolism.

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14. The diagram below represents changes in the sizes of openings present in leaves as a result of the actions of cells X and Y.
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4

Explanation:

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Which phylum forms a connection between the chordates and the nonchordates? The phylum forms an evolutionary connection between
iris [78.8K]

Answer:

The phylum Hemichordata is the one that could form an evolutionary connection between the chordates and non-chordates.

Explanation:

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3 0
3 years ago
In which layer does mantle convection occur? ​
Afina-wow [57]

Answer:

The correct answer is asthenosphere.

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4 0
3 years ago
The clinical findings of a client with diabetes mellitus show decreased glucose tolerance. Which complication is anticipated in
Savatey [412]

Answer:

Frequent yeast infections.

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4 0
3 years ago
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