A stimulus will open ion channels that will allow ________ to flow into the neuron, causing the inside to become______________ charged.
A. potassium; negatively
B. potassium; positively
C. sodium; negatively
D. sodium; positively
Answer: D
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The powerful abductor muscle of the upper arm is the
A) supraspinatus. B) subscapularis. C) deltoid. D) coracobrachialis. E) teres major.
The rate of signal transfer between helper T cells and antigen presenting cells is increased by the presence of
a. cytokines. b. interleukins. c. MHC I. d. MHC II. e. nanotubes.
The gestation period is approximately:
A) 340 days. B) 2 weeks. C) 280 days. D) 120 days.
Cindy had liposuction to remove adipose tissue years ago. However, she has since gained back nearly all the weight lost through the procedure. She does not understand why she gained weight since she learned that adipocytes lack the ability to divide in
adults. Speculate on a reason why she gained weight. What will be an ideal response?