In the section "Investigating Life: Birds Do, Bees Do It", what can be concluded about the flower preferences of hummingbirds?
A. They prefer pink flowers.
B. They prefer M. cardinalis in both the natural and selected colors tested.
C. They prefer yellow-orange flowers.
D. They prefer red flowers.
E. They prefer M. lewisii in both the natural and selected colors tested.
A. They prefer pink flowers.
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Recall that the P. torridus archaeon is a(n) ______________, and so thrives in extremely acidic environments (pH 0-0.7) such as old coal mines
A. hypothermophile B. hyperthermophile C. halophile D. basophile E. acidophile
Why is SRY considered to be a master gene? What will be an ideal response?
A physician reports to you the lab results in identifying your genetic condition relating to your skin health. "DNA fingerprint" information indicates that you have two different versions of the allele for a particular skin protein, and this is called
a. heterozygous. b. homozygous. c. dominant. d. homologous. e. recessive.
You have identified a novel cytoplasmic protein. Through sequence analysis you are able to identify the presence of a number of serine/threonine phosphorylation motifs. Based on these data, you hypothesize that this protein may be a substrate for what kind of enzyme?
A. a protein kinase B. a G protein-coupled receptor C. a phospholipase D. a tyrosine phosphatase E. a receptor tyrosine kinase