The primary palate, arising from the medial nasal prominence, surrounds the anterior-most ____ teeth.
A. 2
B. 4
C. 6
D. 8
E. 10
Ans: B. 4
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Sludge
A. is a byproduct of sewage treatment. B. may be a source of pollution. C. takes up space in a landfill. D. All of the choices are correct.
What is the primary disadvantage of being an osmoregulator?
A. Extra energy has to be used to pump ions into or out of the body. B. Extra energy has to be used to pump water into or out of the body. C. The central nervous system is deprived of critical information about the environment by keeping relatively constant internal conditions. D. Physiological systems do not typically perform well under relatively constant conditions.
The complexity of microRNA function is that
A) microRNAs can be rRNA, mRNA, or tRNA. B) they range in size from 10 to 10,000 bases. C) a microRNA type can bind several mRNAs, and an mRNA can bind several microRNAs. D) it can be acetylated, phosphorylated, or methylated.
An individual has _____ allele(s) for each trait
Fill in the blank(s) with the appropriate word(s).