Sickle-cell anemia is a human disease that occurs as a result of what type of mutation in the ?-globin gene?

A. silent
B. missense
C. nonsense
D. frameshift
E. sense


B. missense

Biology & Microbiology

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Transcriptional regulators bind most frequently at the ________ site of DNA

A) major groove B) minor groove C) histone complex D) primary supercoil

Biology & Microbiology

The half life of Carbon 14 is approximately

____ years.

a. 16,000,000 b. 60,000 c. 8,200 d. 5,400 e. 500

Biology & Microbiology

Which of the following is an example of a dehydration synthesis reaction?

A. nucleotides forming DNA B. fats forming into fatty acids and glycerol C. proteins breaking down to form amino acids D. glycogen forming glucose molecules E. amylose breaking down to form maltose molecules

Biology & Microbiology

The Michaelis constant (Km) of an enzyme is the substrate concentration that produces maximum velocity.

Answer the following statement true (T) or false (F)

Biology & Microbiology