What are the four major classes of chromosomal rearrangements?

A) inversions, duplications, translocations, deletions
B) duplications, reciprocal translocations, nonreciprocal translocations, inversions
C) deletions, inversions, duplications, point mutations
D) translocations, pericentric inversions, paracentric inversions, deletions


A) inversions, duplications, translocations, deletions

Biology & Microbiology

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The KD or dissociation constant between a receptor and its hormone/ligand is

A. a measure of the binding affinity the receptor has for the hormone. B. the hormone concentration where half the receptors are bound to hormone. C. the hormone concentration where all of the receptors are bound to hormone. D. both a measure of the binding affinity the receptor has for the hormone and the hormone concentration where half the receptors are bound to hormone. E. both a measure of the binding affinity the receptor has for the hormone and the hormone concentration where all the receptors are bound to hormone.

Biology & Microbiology

Given the DNA sequence 5?-TAC AAA ATA CAG CGG-3?, which of these sequences represents a nonsense mutation?

A) 5?-TAG AAA ATA CAG CGG-3? B) 5?-TAC AAA TAC AGC GGG-3? C) 5?-TAC AAG ATA CAG CGG-3? D) 5?-TAC AAA ATA CAC CGG-3? E) 5?-TAC AAA ATA CAG AGG-3?

Biology & Microbiology

Who of the following is credited with developing and documenting the first vaccination procedure against smallpox?

A. Koch B. Pasteur C. Jenner D. Lister

Biology & Microbiology

What are the lower and upper confidence limits of results from EC data read as "2-2-1"?

A) 95% certain that the E. coli density is between 1 and 2/10 ml B) 95% certain that the E. coli density is between 7 and 89/10 ml C) 95% certain that the E. coli density is between 10 and 150/10 ml

Biology & Microbiology