Which of the following is false concerning fertilization?
A) The process can take hours to complete.
B) Enzymes are released from the acrosome of the sperm to penetrate the egg.
C) Most sperm die on their way to the egg.
D) Several sperm must contribute their DNA to the egg.
Answer: D
You might also like to view...
Cytokine signaling of phagocytes is an example of:
A. autocrine signaling. B. endocrine signaling. C. paracrine signaling. D. juxtacrine signaling.
What event occurs first in the process of hemostasis?
a. Platelets stick together. b. Platelets form a plug. c. An enzyme cascade activates thrombin. d. The injured vessel constricts. e. Fibrin forms a clot.
The Kissimmee River Restoration Project is intended to
A) drain natural wetlands in the central Florida region. B) increase biodiversity of the region. C) restrict ecotourism and other recreational usage in the impacted region. D) provide areas for homes and businesses.
When a muscle is stimulated prior to full relaxation of a previous contraction and the second stimulus is added to the first contraction, this phenomenon is referred to as ________
A) summation B) twitch C) fatigue D) tetanus