Gametangia are
(a) chlorophyll-producing structures.
(b) sex organs.
(c) a name for colony-forming algae.
(d) found in slime molds.
(b) sex organs.
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The second law of thermodynamics implies
that
a. energy can be transformed into matter, and because of this, we can get something for nothing. b. energy can be destroyed during nuclear reactions. c. if energy is gained by one region of the universe, another place in the universe must also gain energy in order to maintain the balance of nature. d. energy that is available to do work in the universe is decreasing. e. energy can be created out of nothing
During which stage(s) of cellular respiration is CO2 produced?
A. Krebs cycle and electron transport chain B. oxidation of pyruvate to acetyl-CoA and Krebs cycle C. glycolysis and Krebs cycle D. Krebs cycle only E. electron transport chain
The driving force that pushes the root tip through the soil is primarily _____
A) continuous cell division in the root cap at the tip of the root B) continuous cell division just behind the root cap in the center of the apical meristem C) elongation of cells behind the root apical meristem D) continuous cell division of root cap cells
In aerobic dance, injuries occur at a rate of approximately:
What will be an ideal response?