Exam 8: Gene Expression and Control

​Match each term with the most appropriate description. -​an mRNA code for one amino acid A)​anticodon B)​rRNA C)​codon D)​ribosome E)​genetic code F)​translation termination G)​messenger RNA H)​promoters I)​transcription J)​translation

Which types of cells are most likely to have high levels of methyl groups in their DNA?​

In prokaryotes, transcription occurs in the _____.​

Homeotic genes are, in general, in control of _____.​

Mutations at intron-exon splice sites in DNA can lead to a(n) _____.

Epigenetics is most closely associated with _____.​

DNA molecules contain protein-coding sequences called _____.

In most species, all mRNA transcripts begin with _____.​

For eukaryotes, translation takes place in the _____.​

Sphynx cats have a mutation in a(n)_____ of the keratin gene, which prevents necessary splicing; therefore, keratin protein fibers do not assemble properly.

Mutations in an exon region of a gene are most likely to _____.​

Identify the type of mutation associated with the following questions and statements. Some answers may be used more than once. -If UUA codes for leucine (leu), UUU codes for phenylalanine (phe), AUU codes for isoleucine (iso), AAA codes for asparagine (asn), and UAA codes for a stop codon, which type of mutation would be responsible for changing the protein sequence from leu-phe-iso-iso-stop to leu-phe-leu-phe-asn-stop? A)deletion only B)insertion only C)base-pair substitution D)frameshift mutation

Which of the following processes is/are part of gene expression? I. Transduction II. Transcription III. Translation​

Most homeotic genes encode _____; therefore, the protein products of these master genes are found in the _____.

Translation stops when _____.

The master gene that controls eye development in all multicellular eukaryotes is an example of a(n) _____.​

In mammals, X chromosome inactivation results in _____.

The first amino acid in a growing polypeptide chain is _____.

How much of the human genome actually codes for protein products?

In sickle-cell anemia, what happens to the hemoglobin molecule that causes the red blood cell to sickle?