Which of the following is a reason why DNA sequencing alone is not sufficient in identifying sequences that encode proteins?
a) Methylation of certain regions of the DNA sequence.
b) The presence of introns in the coding regions.
c) Degeneracy in the genetic code.
d) The presence of pseudo genes.
e) The abundance of start and stop codons in the DNA sequence
Ans: b) The presence of introns in the coding regions.
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a. ampulla b. ossicle c. radial canal d. ring canal e. madreporite
The linkage commonly found between amino acids in a chain of amino acids is called a ____ bond
a. phosphodiester b. disulfide c. glycosidic d. hydrogen e. peptide
Another planetary body that astrobiologists list as a
top priority for exploration to search for life is a. Pluto. b. Venus. c. the moon around earth. d. Europa, a moon around Jupiter. e. none of these. Answer: d
Which one of the following is the most accurate description of the pedigrees used in human genetics?
A. Family tree charts showing who has/had a particular trait. B. Certificates verifying that an individual has a particular trait. C. Certificates of good genetic health. D. Family tree charts showing everyone's birth and death dates. E. Family tree charts showing photographs of all individuals.