We sometimes are able to generate antibodies (immune system proteins) that bind to and cover up some of the proteins on the outermost portion of a virus while it is in the bloodstream. This renders the virus unable to reproduce. Which step of viral replication are antibodies directly preventing?
a. assembly
b. uncoating
c. synthesis
d. attachment
Answer: d. attachment
Biology & Microbiology
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The major histocompatibility complex is also called the
A) human leukocyte antigen (HLA). B) T cell receptor. C) toll-like receptor complex. D) T cell receptor or toll-like receptor.
Biology & Microbiology
A typical ovule has how many cells?
a. 4 b. 5 c. 6 d. 7 e. 8
Biology & Microbiology
The antibody therapy known as ______ is used to treat multiple sclerosis, hepatitis C, and some cancers.
a. synthetic interferon b. monoclonal antibodies
Biology & Microbiology
In a healthy female, how many secondary oocytes would be expected to form from 100 primary oocytes? How many first polar bodies would be expected from 100 primary oocytes?
A) 200; 50 B) 100; 50 C) 100; 100 D) 50; 50 E) 200; 200
Biology & Microbiology