Author Question: A sperm fertilizes an ovum by penetrating the ____ a. amniotic membrane b. zona pellucida c. ... (Read 110 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
A sperm fertilizes an ovum by penetrating the ____
 a. amniotic membrane
  b. zona pellucida
 c. chorionic membrane
  d. fallopian membrane
  e. corpus luteum

Question 2

A(n) ___________________ _ is a substance or an agent in the environment that is injurious to human, animal, or plant life.
 Fill in the blank(s) with correct word



jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

b

Answer to Question 2

pollutant



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341

 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

For a complete list of videos, visit our video library