« previous next »

Author Question: Why is it advantageous that the sperm do not immediately reach the fallopian tubes? a. The ... (Read 157 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jun 18, 2018
Why is it advantageous that the sperm do not immediately reach the fallopian tubes?
 
  a. The digestive enzymes in the acrosome of the ovum need time to mature, so that the sperm can penetrate the zona pellucida.
  b. The digestive enzymes in the acrosome of the sperm need time to mature in the female reproductive tract, so they can penetrate the zona pellucida of the ovum.
  c. Time is needed for protease enzymes to cleave proteins on the outer core of the ovum, creating a mature ovum containing a zona pellucida.
  d. Time is needed for protease enzymes within the female reproductive tract to cleave proteins on the outer core of the sperm, creating a mature sperm that can penetrate the zona pellucida.

Question 2

What occurs during ovulation to ease the passage of the sperm?
 
  a. The pH of the vagina becomes more acidic.
  b. The pH of the vagina becomes more basic.
  c. The mucus of the cervix thins out.
  d. The mucus of the cervix thickens.


abro1885

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 18, 2018
Answer to Question 1

ANS: B

Answer to Question 2

ANS: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Microtainer tubes. Microtainer tubes.
Walk around the head of the table to the left side and reach across to perform threecount stroking ... Walk around the head of the table to the left side and reach across to perform threecount stroking ...
The permissible exposure limit (PEL) and immediately dangerous to life and health (IDLH) ... The permissible exposure limit (PEL) and immediately dangerous to life and health (IDLH) ...
Adolescent girls reach adult height sooner than boys because their bones grow more rapidity Adolescent girls reach adult height sooner than boys because their bones grow more rapidity
Sperm Sperm
Where and how sperm form. Where and how sperm form.
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library