24 Questions
What is the primary function of the alkaline buffers secreted by the seminal vesicles?
To raise the pH in the male and female reproductive tracts
What is the main component of the seminal fluid produced by the seminal vesicles?
Mucus and buffers
What is the fuel source for sperm cells secreted by the seminal vesicles?
Fructose
What is the approximate proportion of the seminal fluid produced by the prostate gland?
One-third
What is the primary function of the clotting proteins produced by the seminal vesicles?
To coagulate everything together so that the sperm cells can be deposited effectively
What is the purpose of the clotting proteins secreted by the seminal vesicles?
To facilitate clotting of the seminal fluid
Which of the following is NOT a component of the seminal fluid produced by the seminal vesicles?
Citric acid
What is the role of the proteolytic enzymes produced by the prostate gland?
To break up the clot and allow sperm cells to swim through the cervix
What is the function of the secretion produced by the Calper's gland just before male ejaculation?
To lubricate the urethra and raise the pH of the urethra
What is the acrosome responsible for?
Releasing enzymes to break down the proteins surrounding the egg
What is the purpose of the alkaline buffers in the Calper's gland secretion?
To raise the pH of the urethra
Where are the 23 chromosomes housed in the sperm cell?
In the head of the sperm cell
What is the primary function of fructose in the seminal fluid?
To provide energy for the sperm cells
Which of the following components is NOT produced by the seminal vesicles?
Citric acid
What is the primary function of the prostaglandins produced by the seminal vesicles and prostate gland?
To stimulate smooth muscle contraction in the female reproductive tract
What is the primary function of the mucus produced by the seminal vesicles?
To neutralize the acidic pH in the female reproductive tract
What is the proportion of the seminal fluid produced by the seminal vesicles?
Two-thirds
Which of the following components is produced by both the seminal vesicles and prostate gland?
Prostaglandins
What is the primary function of the enzymes contained in the acrosome of the sperm cell?
To dissolve the layers of proteins and polysaccharides surrounding the egg
Why is it necessary to lubricate the urethra before ejaculation?
To prevent the sperm cells from being damaged by mechanical friction
What is the effect of the alkaline buffers in the Calper's gland secretion on the urethra?
They increase the pH of the urethra
What is the purpose of the clotting proteins produced by the seminal vesicles?
To coagulate the sperm cells and other seminal fluids
What is the role of the proteolytic enzymes produced by the prostate gland?
To break down the clotting proteins produced by the seminal vesicles
Where are the chromosomes housed in the sperm cell?
In the pronucleus
Learn about the seminal vesicles, the largest glands in the male reproductive system, and their functions in producing seminal fluid. Discover what substances are secreted by these glands, including fructose, mucus, and prostaglandins.
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