Exam 7: Gene Expression AND Control

Amino acids are carried to ribosomes by____ RNA.

In prokaryotes,transcription occurs in the _____.

The activity of the ribosome in translation is analogous to a(n)_____.

How many different codons are part of the genetic code?  

Ribosome inactivating proteins (RIPs)inhibit protein synthesis by preventing _____.

Match each term with the most appropriate description. -guided and catalyzed by RNA polymerases

Transcription starts at a region of DNA called a(n)_____.

How many different amino acids are found in humans?  

Match each term with the most appropriate description. -all of the mRNA codons

Which of the following processes is/are part of gene expression? I.transduction II.transcription III.translation

The type of RNA that carries protein-building information is called _____.

Ricin exerts its effects on a human cell by _____.

Which mutation(s)may not result in an amino acid change in the protein product?  

Which process is responsible for the conversion of DNA information into messenger RNA?  

In mammals,X chromosome inactivation results in _____.

Identify the type of mutation associated with the following questions and statements.Some answers may be used more than once. -A deletion in the beta globin gene leads to this type of mutation,causing beta-thalassemia.

What does it mean that the genetic code is "highly conserved"?  

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

The tightly condensed non-functional X chromosome is called a(n)_____.

Female secondary sexual traits,such as functional breasts and fat deposits around the hips and thighs,are determined by _____.