When plants have a distinct haploid stage and diploid stage, this is referred to as:
a. asexual and sexual generations.
b. binary generations.
c. mitotic and meiotic generations.
d. alternation of generations.
e. parthenocarpy.
D
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Enzymes decrease the overall free energy change in a chemical reaction.
Answer the following statement true (T) or false (F)
RNA processing that chemically alters the mRNA sequence is called:
A. RNA editing. B. alternative splicing. C. RNA transformation. D. RNA modification.
What is the volume of air moved into and out of the lungs in a single breath during unforced breathing called?
A) tidal volume B) total lung capacity C) minute ventilation D) functional residual capacity E) vital capacity
A type of transport of a solute across a membrane, up its concentration gradient, using protein carriers driven by the expenditure of chemical energy is known as
A. exocytosis. B. osmosis. C. active transport. D. diffusion. E. facilitated transport.