Exam 7: Gene Expression and Control

Classification.Answer the questions in reference to the five RNA codons listed below. a.AUG b.CAU c.UUG d.UUA e.AAA -The DNA sequence AAC would pair with this codon.

Which of the following functions do enzymes perform?

What is the genetic code?

A Barr body exists for the purpose of

Ricin is internationally considered as a weapon.Its use is now banned in most countries according to the ____.

Examine the figure above and answer the following question(s). -In this representation of transcription,the first genetic word of RNA is

What do transcription factors do?

Transcription

Which of the following could NOT be an RNA transcript?

How many nucleotide bases compose one "genetic word"?

How many nucleotides compose one codon?

Examine the figure above and answer the following question(s). -In this representation of transcription,strand # 1 represents

The activity of the ribosome in translation is like a(n)

In a eukarytote,DNA is transcribed in the

In mammals,X chromosome inactivation results in

Many ribosome-inactivating proteins are not a problem for humans because

In protein synthesis,RNA synthesis is also called

As the polypeptide is elongating in translation,what is the ribosome doing?

The tightly condensed non-functional X chromosome is called a(an)

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