Threshold potential refers to the membrane potential required to:
A. open voltage-gated potassium channels.
B. initiate an action potential.
C. open voltage-gated sodium channels.
D. initiate an action potential AND open
voltage-gated sodium channels.
B
You might also like to view...
The regulation of water balance, milk release, and uterine contractions during childbirth are mediated by the ____
gland.
a. parathyroid b. pineal c. anterior pituitary d. posterior thyroid e. posterior pituitary
Which of the following has a gut with two openings,
a mouth, and an anus? a. cnidarians b. annelids c. flatworms d. sponges e. placozoans
A genetic counselor will know that the probability of having a child affected with a condition inherited as an
autosomal recessive would be: a. 0.5 or 50% if both parents were homozygous normal. b. 0.5 or 50% if both parents were heterozygous. c. 0.25 or 25% if both parents were homozygous normal. d. 0.25 or 25% if both parents were heterozygous. e. 0% if both parents were heterozygous.
Catenanes are interlocked chromosomes that form during the termination stage of DNA replication.
Answer the following statement true (T) or false (F)