A mutation that changes the amino acid sequence of the resulting protein by substitution is called a ________ mutation.

A. missense
B. silent
C. nonsense
D. None of the choices are correct.


Answer: A

Biology & Microbiology

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The bones and cartilage in animals serve the same function as ________ in plants?

A. leaves B. phloem C. capillaries D. wood E. xylem

Biology & Microbiology

The elasticity of demand is low for products which have saturated their markets

Indicate whether this statement is true or false.

Biology & Microbiology

Baby frog #1 was born with brown skin instead of the normal green. DNA was collected from the baby frog and the DNA sequence of part of gene B was determined using the primer 5? ACTCAAGCACAGGTCG 3?. What is the entire sequence of the smallest DNA fragment produced in the sequencing reaction? (See diagram for sequencing data.)



A) C
B) 5? ACTCAAGCACAGGTCGC
C) 5? AGGTCGG
D) 5? CATAAATGTCCTGTTATTTGG
E) 5? CGACCTG

Biology & Microbiology

If you were given an insect and asked to analyze its nitrogenous waste, you would prepare to test for

A. urea. B. ammonia. C. uric acid. D. urine.

Biology & Microbiology