The letter “C” in the figure above represents
a. root apical meristem.
b. dermal tissue.
c. vascular tissue.
d. ground tissues.
e. ground, dermal, and vascular tissues.
Answer: a
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Imagine that you have been transported light years away to another planet with water-filled oceans. This distant planet has a barometric pressure of 1,000 mm Hg at sea level and air that contains 15 percent O2. Would you take in much more oxygen, much less oxygen, or about the same amount of oxygen per breath on this planet as you would on Earth?
A. much less oxygen on the distant planet B. much more oxygen on the distant planet C. about the same amount of oxygen as on Earth Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about earth’s atmosphere? What other information is related to the question? Choose Answer Given what you now know, what information 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?
The administration of the drug diclofenac to livestock inadvertently poisoned ____ and led to an
increase in the disease ____.
a. cattle; hoof and mouth b. vultures; rabies c. children; epilepsy d. coyotes; hemolytic E. coli e. cattle egrets; avian flu
Predict why insect stings and medication injections more often provoke anaphylactic shock, as compared to other allergens found in food or in air.
A. The allergens go directly into the blood in large amounts, compared to allergens entering the digestive tract or respiratory tract. B. Chemicals injected as medications cause problems in immune response, resulting in a reduced immune coverage. C. Chemicals from insects cause a combination of antibody types to be produced, resulting in much larger amounts of total antibody. D. Histamine is overproduced as a result of injected chemicals.
Clonal selection and differentiation of B cells activated by antigen exposure leads to the production of _____
A) large quantities of the antigen initially recognized B) vast numbers of B cells with random antigen-recognition receptors C) long-lived erythrocytes that can later secrete antibodies for the antigen D) short-lived plasma cells that secrete antibodies for the antigen