Sperm are produced in which of the following structures?
A. seminiferous tubules
B. seminal vesicles
C. epididymis
D. vas deferens
E. prostate gland
A
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Insulin stimulates an increase in number of glucose carrier proteins at a cell membrane’s surface. What effect will insulin have on cell function? Choose all that apply.
_____ An increase in insulin, which will increase the diffusion rate. _____ ATP amounts needed for this transport will increase. _____ Low insulin levels will decrease the number of available carrier proteins. _____ Lack of membrane receptors for insulin will decrease amount of glucose taken in. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about glucose transport? What other information is related to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Stomatal opening requires each of the following conditions, except
A. expenditure of energy. B. a reduction of turgor in the guard cells. C. water entering the guard cells by osmosis. D. a lower water potential in the guard cells. E. pumping of potassium ions into the guard cells.
When plants are produced by cloning, which process is most directly involved?
a. mitotic cell division b. binary fission c. meiotic cell division d. gamete production e. budding
Community structure is a result of which of the following?
a. atypical interactions b. factorial interactions c. positive interactions d. negative interactions e. positive and negative interactions