Lab Practical 3

Question 1

Gonads of the male.

Answer 1

Testes

Question 2

These cells produce testosterone.

Answer 2

Interstitial Cells

Question 3

Sac in which the testes are suspended outside the body.

Answer 3

Scrotum

Question 4

Muscle used to regulate the temperature of the testes.

Answer 4

Dartos

Question 5

A cap of enzymes that covers the nucleus of the sperm cell.

Answer 5

Acrosome

Question 6

Contributes to genetic variety in the offspring.

Answer 6

DNA crossing-over

Question 7

A passageway in the groin area in which the testes descend during development.

Answer 7

Inguinal Canal

Question 8

Slender ducts in the testes in which sperm are produced.

Answer 8

Seminiferous Tubules

Question 9

Surgical sterilization of the male.

Answer 9

Vasectomy

Question 10

Portion of the penis removed by circumcision.

Answer 10

Prepuce

Question 11

Base that neutralizes the acid within the female vagina.

Answer 11

Spermine

Question 12

Organ that serves to deposit semen in female vagina.

Answer 12

Penis

Question 13

Process in which a sperm cell undergoes meiosis producing four spermatoza.

Answer 13

Spermatogenesis

Question 14

Location of sperm maturation. And is the organ that hangs over top the testes.

Answer 14

Epididymis

Question 15

Gland that produces 10% of seminal fluid and spermine.

Answer 15

Cowper’s Gland

Question 16

An XY zygote.

Answer 16

Male Offspring

Question 17

An XX zygote.

Answer 17

Female Offspring

Question 18

This is the tough layer surrounding the testes.

Answer 18

Tunica Albuginea

Question 19

A male stem cell that has 46 chromosomes.

Answer 19

Spermatogonia

Question 20

These cells provide nourishment to the sperm. Also called Sertoli.

Answer 20

Sustentacular Cells

Question 21

Where it allows the sperm to penetrate and fertilize the egg.

Answer 21

Capacitation

Question 22

Connective tissue that protects from the epididymis to the abdominal wall.

Answer 22

Spermatic Cord

Question 23

What is the first sperm cell division called?

Answer 23

Primary Spermatocyte

Question 24

What is the second sperm cell division called?

Answer 24

Secondary Spermatocyte

Question 25

DNA is located in the ____ sperm.

Answer 25

Head

Question 26

These have digestive enzymes inside the sperm and it helps the sperm burrow into the egg.

Answer 26

Acrosome

Question 27

This part of the sperm has mitochondria which provide the energy to help it swim.

Answer 27

Midpiece

Question 28

This part of the sperm has the ______ which allows it to swim. It is located inside the tail.

Answer 28

Flagellum

Question 29

This process is cell division that produces two daughter cells identical to the original stem cell.

Answer 29

Mitosis