What happens during an autoimmune disease such as multiple sclerosis?
A) B cells are no longer able to make antibodies.
B) Helper T cells are no longer produced.
C) Infectious agents are able to hide in immune system cells.
D) Immune system cells attack healthy body cells.
D
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Blue flower color (B allele) is dominant to white (b allele). If a population of plants in Hardy-Weinberg equilibrium contains white flowers (bb) at a frequency of 0.04, what is the frequency of the blue flower allele (B)?
A. 0.2 or 20% B. 0.64 or 64% C. 0.32 or 32% D. 0.8 or 80% E. 0.96 or 96%
Which of the following are pyrimidines found in the nucleic acid DNA?
A. adenine and guanine B. thymine and cytosine C. thymine and adenine D. uracil and guanine E. guanine and cytosine
Disrupting the function of ________ would kill the growing bacterial cells and could provide targets for antimicrobial drugs to bind
a. FtsZ splicing b. MreB c. multiple DNA fork assembly d. transpeptidation
A housefly can transmit diseases as a (biological/fomite/mechanical) vector
What will be an ideal response?