Briefly describe the structure of sperm and eggs - textbook C

13 important questions on Briefly describe the structure of sperm and eggs - textbook C

What are the four terms that are structures of Sperm

Head
Midiece
Tail
Plasma membrane

What does the head of a sperm contain?

Nucleus and acrosome.

What is packed in the midpiece of a sperm?

Mitochondria packed with mitochondria.
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What is the function of the tail of a sperm?

Used for movement.

What surrounds and protects the sperm cell?

Plasma membrane surrounds and protects the cell.

What does the head of the sperm contain that helps penetrate an egg?

Enzymes that help sperm penetrate an egg.

How many chromosomes does the sperm head contain?

23 chromosomes - half the genetic material needed to form a zygote.

What provides ATP for the movement of the sperm tail?

Mitochondria that is stored behind the neck.

How does the tail of the sperm move?

Whip-like motion pushes the sperm forward.

What does the ooplasm of an egg contain?

Nutrients like yolk, organelles and molecules.

What do cortical granules do?

Block additional sperm from entering.

What is located at the vegetal pole of the egg?

Yolk, nourishes the embryo.

Where are the nucleus and polar body located in the egg?

Animal pole: nucleus and polar body are located.

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