The force that pushes plant cells tightly against the cell wall and helps support softer tissues against the
force of gravity is
a. turgor pressure.
b. isotonic pressure.
c. diffusion pressure.
d. concentration pressure.
e. plasmolysis pressure.
A
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All of the following hormones are lipids derived from cholesterol EXCEPT
A. melatonin. B. estradiol. C. cortisol. D. aldosterone. E. testosterone.
One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the
A. amniotic egg. B. allantois egg. C. chorionic egg. D. diploid egg. E. swim bladder.
C3 and C4 plants get their classification from the number of carbons in the first detectable product of carbon dioxide fixation. The C3 product is ________, whereas the C4 product is ________
A) glycerol; malate B) triose phosphate; oxaloacetate C) 3-phosphoglycerate; malate D) ribose; phosphoenolpyruvate E) 3-phosphoglycerate; oxaloacetate
hydrogen bond
What will be an ideal response?