It would be necessary to use a tuberculocidal agent to kill a particular species of:
A) Clostridium.
B) Mycobacterium.
C) Staphylococcus.
D) Streptococcus.
B) Mycobacterium.
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A fruit-bearing dioecious flower would have
A. an androecium. B. a gynoecium. C. both an androecium and a gynoecium. D. neither an androecium nor a gynoecium. Clarify Question What is the key concept addressed by the question? Gather Content What do you already know about fruit? 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?
Carbon dioxide, which is a breakdown product of the pesticide, is likely used by the bacteria
for which of the following?
a. an energy source b. cell structure c. to carry genetic information d. both an energy source and cell structure
Successful insertion of a DNA fragment into the polylinker region of pBluescript II is detected by
A) production of the enzyme ?-galactosidase. B) absence of the enzyme ?-galactosidase. C) the increased size of the plasmid. D) autoradiography. E) None of these
White flower color is recessive to purple. What is the genotypic ratio when two heterozygous pea plants are crossed?
A. 1:1 B. 3:1 C. 4:0 D. 2:1 E. 1:2:1