Receptor-mediated endocytosis
A. exhibits specificity.
B. is a type of passive transport.
C. occurs if oxygen is available.
D. moves materials out of the cell.
E. does not need ATP; the receptors supply the energy.
Answer: A
You might also like to view...
Which of the following is separated from surrounding tissues by a fibrous connective tissue capsule?
A) palatine tonsils B) appendix C) lymph nodes D) Peyer patches E) pharyngeal tonsils
The layer of the digestive tract that is composed of stratified and columnar epithelium is the:
a. serosa b. muscularis c. submucosa d. mucosa
Identify the statement concerning general functional characteristics of muscle that is true
A. Muscle tissue shortens forcefully but lengthens passively. B. Muscle tissue shortens passively but lengthens forcefully. C. Muscle tissue can get shorter, but can not get longer. D. Muscle tissue can get longer, but can not get shorter. E. None of these statements are true.
An increase in smooth muscle tension can occur at a given intracellular [Ca++] in response to:
A. opening K+ channels in the smooth muscle membrane B. inhibition of myosin phosphatase by Rho kinase in the smooth muscle C. cAMP-dependent phosphorylation of myosin light chain kinase in the smooth muscle D. release of nitric oxide from adjacent endothelial cells E. hyperpolarization of the smooth muscle membrane