The linkage of one amino acid to another amino acid in a protein is most accurately referred to as a(n):
a. peptide bond
b. glycosidic bond
c. ionic bond
d. R-group
e. phosphodiester bond
Ans: a. peptide bond
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Boiling water before drinking can prevent which types of pathogens from harming the body?
A. Bacteria B. Fungi C. Viruses D. Protists E. All of the above
During the luteal phase a low level of progesterone and estrogen will bring about
A. a spike of the luteinizing hormone causing the oocyte to be ovulated. B. the enlarging of the breast tissue in order to prepare for lactation. C. the development of a secondary oocyte. D. the disintegration of the endometrium and the rupturing of the blood vessels. E. the thickening of the endometrial lining in preparation for the implantation of a zygote.
The most accurate depiction of the chronological order of genetic discoveries would be
Phenotypically wild-type F1 female Drosophila, whose mothers had light eyes (lt) and fathers had straw (stw) bristles, produced the following offspring when crossed to homozygous light-straw males:
Phenotype Number light-straw 22 wild-type 18 light 970 straw 970 Total: 2000 Compute the map distance between the light and straw loci. A) 4 map units B) 8 map units C) 2 map units D) 98 map units E) 12 map units