During translation, a polypeptide chain is created using a RNA template. Which of the following components is responsible for bringing amino acids to the growing polypeptide chain?
A. RNA polymerase
B. ribosomes
C. mRNA
D. tRNA
E. rRNA
Answer: D
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Which step in gene mapping can occur even more rapidly by PCR?
A. Target DNA removed from cells and isolated B. Cloning host treated with calcium chloride and receives plasmid C. Target DNA and plasmid treated with the same restriction endonuclease D. Desired protein is produced by cloning host E. Gene is amplified by multiplication of cloning host
Tubular secretion occurs in the region labeled____
a. 1 only b. 2 only c. 3 d. 4 e. 1 and 2
Compare and contrast the following pairs of related terms: gene and allele, genotype and phenotype, homozygous and
heterozygous. What will be an ideal response?
Which gene(s) produce proteins that control the cell cycle?
What will be an ideal response?