When applied to underripe fruit, the hormone ________ hastens ripening.

A. gibberellin
B. ethylene
C. abscisic acid
D. auxin


Answer: B

Biology & Microbiology

You might also like to view...

Meiosis results in a reassortment of maternal chromosomes (inherited from the mother) and paternal chromosomes (inherited from the father). If n=4 for a given species, and ignoring the effects of crossing over, what is the probability that a gamete will receive only paternal chromosomes?  

A.  1/2 B.  1/4 C.  1/8 D.  1/16 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 know about independent assortment? 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?

Biology & Microbiology

The atomic number of this atom (Figure 2.1) is

A. 4. B. 6. C. 10. D. 12. E. cannot be determined from the available information

Biology & Microbiology

Which apicomplexan has caused outbreaks, associated with fecal-contaminated imported raspberries, and also fresh greens and drinking water?

A. Toxoplasmosis B. Babesiosis C. Cryptosporidiosis D. Cyclosporiasis E. None of the choices are correct.

Biology & Microbiology

A collection of cloned DNA fragments representing an organism's entire genome is called a ________.

A. complementary DNA collection B. transgenic assembly C. genomic library D. clonal anthology

Biology & Microbiology