Which one of the following functions is associated with one type of connective tissue?
A) contraction
B) a membrane potential
C) absorption of digestive products
D) transport
E) secretion
D
You might also like to view...
When you increased the predation rate, did the prey isocline go up or down, i.e. did the number of predators required to maintain the prey population at zero growth increase or decrease?
a. It went down. b. It went up. c. It didn't change.
Which of the following is NOT found in
compact bone?
a. concentric layers of extracellular matrix b. blood and nerve canals c. yellow marrow d. red marrow e. all of these are found in compact bone
The Ras protein is a GTPase that functions in many growth-factor signaling pathways
In its active form, with GTP bound, it transmits a downstream signal that leads to cell proliferation; in its inactive form, with GDP bound, the signal is not transmitted. Mutations in the gene for Ras are found in many cancers. Of the choices below, which alteration of Ras activity is most likely to contribute to the uncontrolled growth of cancer cells? (a) a change that prevents Ras from being made (b) a change that increases the affinity of Ras for GDP (c) a change that decreases the affinity of Ras for GTP (d) a change that decreases the rate of hydrolysis of GTP by Ras
Gentamicin is an antibiotic that inhibits _______.
A. protein synthesis B. cell wall synthesis C. folic acid synthesis D. DNA synthesis