Chapter 7

A chromosome contains many genes that are transcribed____. a. proteins b. polypeptides C. RNAs d. a and b

A binding site for RNA polymerase is called a _____. a. homeotic gene b. promoter c. transcription factor d. b and \(c\)

Energy that drives transcription is provided mainly by _____. a. ATP b. RNA nucleotides c. GTP d, all are correst

An RNA molecule is typically_____ a DNA molecule is typically______. a. single-stranded; double-stranded b. double-stranded; single-stranded c. both are single-stranded d. both are double-stranded

RNAs form by ______ proteins form by _____ . a. replication; translation b. translation; transcription c. transcription; translation d. replication; transcription

Up to how many amino acids can be encoded by a gene that consists of 45 nucleotides?

Most codons specify a(n)_____. a. protein b. polypeptide c. amino acid d. mRNA

Anticodons pair with _____. a. mRNA codons b. DNA codons c. RNA anticodons d. amino acids

9\. Energy that drives translation is provided mainly by _____. a. ATP b. RNA nucleotides c. GTP d. all are correct

Where does translation take place in a eukaryotic cell? a. nucleus b. ribosome c. cytoplasm d. b and c are correct

Where does translation take place in a eukaryotic cell? a. nucleus b. ribosome c. cytoplasm d. \(b\) and \(c\) are correct

Homeotic gene products_____. a. map out the overall body plan in embryos b. control the formation of specific body parts

A cell with a Barr body is _____. a. prokaryotic b. a sex cell c. from a female mammal d. infected by Barr virus