Sperm are produced in which of the following structures?

A. seminiferous tubules
B. seminal vesicles
C. epididymis
D. vas deferens
E. prostate gland


A

Biology & Microbiology

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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?

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology