‘Flavr Savr' tomatoes have been genetically engineered so that they underproduce an enzyme involved in ripening. They can later be artificially ripened by:

a. auxin
b. ethylene
c. auxin
d. cytokinin
e. gibberellin


b

Biology & Microbiology

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The molecule in the accompanying figure is mannose, an example of a ____ sugar

a. triose b. hexose c. pentose d. heptose e. tetrose

Biology & Microbiology

Positional cloning is used to link the inheritance of a disease in a pedigree to the inheritance of _____

a. other diseases or conditions b. a specific blood type c. other genes whose loci were known d. marker sequences produced by restriction enzymes e. X-linked genes

Biology & Microbiology

________ are frequently used to treat pulmonary infections and have a large ring as their basic structure

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A friend of yours appears to have put on a lot of muscle very quickly. At the same time, you notice that your friend seems to have a lot of mood swings and appears depressed

It is reasonable for you to suspect that your friend has begun to take ________. A) amino acid supplements B) creatine C) protein powder D) an anabolic steroid

Biology & Microbiology