The majority of human DNA does not code for genes.
a. true
b. false
Ans: a. true
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A well-substantiated explanation of some aspect the natural world, based on a body of facts that have been repeatedly confirmed through observations and experiments, is referred to as a(n) ________.
A. hypothesis B. theory C. fact D. idea
Which of the following is not true of the translocation step of translational elongation in bacteria?
A. The deacylated tRNA is moved from the P site to the E site. B. EF-G binds to the A site, mimicking a EF-Tu-aminoacyl-tRNA complex. C. EF-G hydrolyzes GTP. D. The peptidyl-tRNA moves from the P site to the A site.
A genetic code word is called a(n)
A) proton. B) codon. C) nodoc. D) amino acid.
Below is the structure of octane, the major component of gasoline. What type(s) of bond(s) is(are) found in a molecule of octane?
A) only nonpolar covalent bonds
B) only polar covalent bonds
C) hydrogen bonds and polar covalent bonds
D) ionic bonds and nonpolar covalent bonds