What is the name of the human disorder in which a deletion from chromosome 5 typically leads to severe mental retardation and a malformed larynx?
a. triple-X syndrome
b. cri-du-chat
c. Down syndrome
d. Turner syndrome
Ans: b. cri-du-chat
You might also like to view...
Spherical-shaped bacteria that divide and remain attached in a chain-like pattern are called:
A. Staphylococci B. Streptococci C. Streptobacilli D. Staphylobacilli
If, during a dissection, you were asked to place a pin in the part of the kidney containing the collecting duct, you would pin the
What will be an ideal response?
True cocci, such as most Neisseria spp. and Moraxella catarrhalis, can be differentiated from morphologically similar Moraxella species by:
a. comparing the penicillin susceptibility testing results of the bacteria. b. subjecting the bacterium to noninhibitory concentrations of penicillin. c. identifying the resistance of Moraxella to many <-lactam antimicrobial agents. d. performing the deoxyribonucleic acid (DNA) test.
Attenuated agents
A. may induce immunity after a single dose. B. may cause disease in immunocompromised individuals. C. multiply in the body. D. may revert or mutate to disease-causing strains. E. All of the choices are correct.