Which is a group of individuals of the same species occupying a given area?
a. individual
b. species
c. population
d. polyploid
e. gene pool
C
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Even before organs begin to form, rudimentary forms of bone begin to form in a fetus due to _____________.
A) the breakdown of hyaline cartilage. B) the formation of secondary ossification sites. C) the activity of chondroblasts. D) the formation of an osteoclast. E) the activity of growth hormone.
When examining the genetic code, it is apparent that ________
A) there are 44 stop codons because there are only 20 amino acids B) AUG is a terminating codon C) there can be more than one codon for a particular amino acid D) the code is ambiguous in that the same codon can code for two or more amino acids E) there can be more than one amino acid for a particular codon
In the vascular bundles of most dicot stems, primary phloem differentiates toward the ________ of the stem, while primary xylem differentiates toward the ________ of the stem.
A. outside; middle B. cork cambium; vascular cambium C. middle; middle D. middle; outside E. shoot tip; roots
dCas9 is a useful tool in the CRISPER-Cas toolkit because it can ________
A) fluoresce and help researchers locate target sequences B) deactivate the transcription of a gene C) bind DNA, but it cannot travel down the template strand D) bind DNA, but it cannot cut DNA