Absence of a chromosome is called a __________.
A. monosomy
B. trisomy
C. double chromosome
D. translocation
Question 2
Which of the following statements regarding streptococci is INCORRECT?
A. The organisms are classified based on the carbohydrate antigens present in their cell walls and on the type of hemolysis produced by the organism growing on a blood agar plate.
B. Most alpha hemolytic streptococci are very pathogenic.
C. Group A beta streptococci may cause serious respiratory tract infections such as streptococcal pharyngitis, and such infections may be followed by rheumatic fever.
D. Group B beta streptococci may colonize the genital tract of pregnant women and may lead to an infection in the infant caused by the streptococcus acquired by the infant during delivery.
A molecular model showing chromosome territories in the cell nucleus of humans
Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Double strand of DNA
In a double-slit experiment, the slit separation is 1.75 mm, and two coherent wavelengths of ...
The response of the lac operon in the absence of lactose
The potential involvement of colchicine in doubling the chromosome number