In DNA, most satellite sequences are found in
A) chromosome arms.
B) telomeres.
C) centromeres.
D) spaces around the dark bands.
C) centromeres.
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Korarchaeota ____
a. includes halophiles b. includes psychrophiles c. diverged very early in Archaean evolution d. includes halophiles and thermophiles e. diverged very late in Archaean evolution
Whenever the body is re-exposed to an allergen, the binding of IgE antibodies causes:
a. degranulation and inflammation b. the release of antihistamines c. the suppression of the inflammatory response d. the production of clonal cells e. fever
Unique parts of bacterial cells are ___,___ and ___
Fill in the blank(s) with the appropriate word(s).nucleoid region, capsule and pilus
Which of the following is a consequence of breathing secondhand smoke?
A) Nonsmoking children of smokers are more likely to contract pneumonia. B) Nonsmoking children of smokers are less likely to develop atherosclerosis. C) Smokers are more likely to have increased lung capacity. D) Nonsmoking spouses of smokers have a 30% lower risk of heart attack.