Tay-Sachs disease is a(n) ____ disease that results in blindness, intellectual disability, and death due to ____
a. sex-linked; the absence of one of the sex chromosomes
b. autosomal recessive; accumulation of lipids in brain cells
c. X-linked; accumulation of acetyltransferases in brain cells
d. autosomal; sickled red blood cells
e. autosomal dominant; accumulation of mucus in the lungs
b
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The codon on the ________ matches with the anticodon on the ________ to direct the addition of the correct amino acid to the growing polypeptide chain
A) mRNA / tRNA B) tRNA / mRNA C) DNA / mRNA D) tRNA / rRNA
Where are the receptors that respond to elevated blood osmolarity?
A. in the hypothalamus B. in the heart C. in the adrenal medulla D. in the kidneys E. in the adrenal cortex
A common first separation technique in 2D gels is isoelectric focusing. What property is isoelectric focusing taking advantage of?
A) size B) amino acid content C) the pH at which the overall charge is zero D) charge
Organisms that can interbreed with each other in nature but are genetically isolated from all other organisms are a:
A) species. B) clone. C) genus. D) family.