____ is a synthetic auxin that stimulates root development on stem cuttings and is used extensively in asexual
propagation.
a. Indoleacetic acid
b. Indolebutyric acid
c. Naphthalene acetic acid
d. 2,4-D
e. 2,4,5-T
c
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Many proto-oncogenes encode ____
a. growth inhibiting factors b. intracellular receptors
c. tumor suppressor proteins d. receptors for growth inhibiting factors e. growth factors
What is the significance of genetic variation?
a. It influences population interactions. b. It interacts within the biosphere. c. It is the raw material for sexual reproduction. d. It is the most fundamental level of species classification. e. It is the raw material for adaptation, speciation, and evolution.
Angina is caused by ischemia. Therefore, angina is often treated with:
What will be an ideal response?
Both plant cells and animal cells will swell if placed in a hypotonic solution. However, only the animal cell will burst. Why?
What will be an ideal response?