To monitor and supply sufficient amounts of oxygen to surrounding tissues, blood vessels have oxygen and ____ -induced sensors, or receptors
a. nutrient
b. growth factor
c. receptor
d. hypoxia
Ans: d. hypoxia
You might also like to view...
Which form of sea life is showing signs of decreasing in numbers?
a. carp b. swordfish c. sharks d. blue fish e. eels
What is the function of the buds formed by hydra?
A. They aid in digestion. B. They are a form of asexual reproduction. C. They develop into cnidocytes and can be used in defense. D. They develop into the nerve net and are used to detect prey. E. They produce new epidermal tissue to replace the old tissue.
Anaphase of mitosis occurs when:
a) the chromatids begin to separate from the metaphase plate. b) the chromosomes line up on the 'equator'of the cell. c) the cell enters interphase. d) the chromatin coils into thicker, visible chromatids. e) the nuclear envelope first breaks down.
Whereas _______ reactions are spontaneous and release energy, _______ reactions require an input of energy in order to occur.
Fill in the blank(s) with the appropriate word(s).