The process of adding the correct amino acid onto a tRNA molecule is catalyzed by ____

a. the tRNA itself
b. RNA polymerase
c. an mRNA
d. the ribosome
e. an aminoacyl-tRNA synthetase


E

Biology & Microbiology

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Some people are unable to properly metabolize the drug Purinethol, which is given to patients with acute lymphoblastic leukemia; therefore, such patients must be first tested for the associated genetic variant to determine proper dosage of the drug. This scenario best illustrates the use of _____

a. pharmacogenomics b. map-based sequencing c. positional cloning d. annotation of DNA sequences e. comparative genomics

Biology & Microbiology

Similar structures that have evolved

independently in different lineages that do not share common ancestry are called

a. analogous structures. b. homologous structures. c. vestigial structures. d. repeating structures. e. heterozygous structures

Biology & Microbiology

The resting membrane potential is measured at ____

a. 0 mV b. 70 mV c. 100 mV d. -70 mV e. -100 mV

Biology & Microbiology

What is the relationship between genes and chromosomes?

A) Genes are the proteins around which DNA chromosomes are packaged. B) Chromosomes are proteins that carry genes made of DNA. C) A chromosome is a DNA molecule with many genes. D) Genes are the proteins encoded by chromosomes.

Biology & Microbiology