Which of the following is a pair of agents that both puncture the membranes of foreign bacteria?
A. Macrophages and helper T cells
B. MAC and killer T cells
C. Antibodies and killer T cells
D. Antibodies and plasma cells
E. MAC and plasma cells
B
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When plants are grown in hydroponic culture, their roots are suspended in an aerated solution. Why is the solution aerated? Check all that apply.
_____ Both the light-dependent and the light-independent reactions of photosynthesis require oxygen. _____ Oxygen is necessary for the root cells to produce ATP. _____ Without oxygen, membrane transport in the roots would be impaired. _____ A lack of oxygen would cause the water potential within the roots to decrease. _____ Without oxygen, the xylem would stop flowing. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about theimportance of oxygen in plants at the molecular in plants? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
Two organisms are very similar both in terms of molecular and physical characteristics
However, there is at least one characteristic that is not shared by these organisms—each organism has at least one evolutionary novelty that is not present in the other organism and thus these organisms do not interbreed. As a result, what is likely the lowest taxonomic classification that is shared by these organisms?
a. species b. genus c. family d. order
The human large intestine is about _____ in length.
A. 1.5 m B. 6 m C. 7.5 m D. 15 m E. 30 m
How are neurons structurally adapted to chemically transmit impulses to neighboring neurons?
A) They have numerous nodes of Ranvier. B) They have numerous dendrites. C) They have Schwann cells that surround axons. D) None of the listed responses is correct E) Axon terminals contain neurotransmitters within synaptic vesicles.