A collection of clones containing all the DNA sequences carried by an individual is called a(n) ____________________
Fill in the blank(s) with correct word
genomic library
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In the laboratory, fruit flies (Drosophila) were artificially selected for the number of bristles on their bodies. One population (R) was selected for low numbers of bristles, a second population (S) for high numbers of bristles.
In order for the scientists to artificially select Drosophila for their number of bristles,
A. they had to induce mutations into their populations of Drosophila. B. genetic variation had to be present in the population. C. the number of bristles in each Drosophila had to be random. D. dramatic mutations had to be produced by the selection. E. they had to study the population for millions of years.
Tough, warty verrucous lesions are seen in patients with tinea versicolor.
Answer the following statement true (T) or false (F)
The path to a myocardial infarction starts with a fat-filled plaque blocking a coronary artery. This condition is called ________
A) atherosclerosis B) angioplasty C) a stent D) coronary bypass
The two major categories of extracellular signaling molecules that bind to cell surface receptors are ____
a. peptide hormones and steroid hormones b. steroid hormones and neurotransmitters c. neurotransmitters and vitamins d. growth hormones and vitamins e. peptide hormones and neurotransmitters