If the syringe contains live R strain and heatkilled
S strain Streptococcus pneumoniae
a. the mouse will live.
b. live S strain bacteria will be detected in the
mouse's blood.
c. the mouse's blood will contain live
pathogenic R strain bacteria.
d. The dead S strain bacteria will transform to
live R strain bacteria.
e. DNA from the live R strain bacteria will
revive the dead S strain bacteria.
B
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During prophase, duplicated chromosomes
(a) consist of chromatids. (b) contain centromeres. (c) consist of nucleoproteins. (d) contain all of the above.
Which portion of an amino acid is unique among the different amino acids?
A. carboxyl B. amino C. hydrocarbon D. the side chain or R-group E. peptide bonding
Which of the following antibodies is (are) involved in opsonization?
A. IgG1 B. IgD C. IgG3 D. Only IgG1 and IgG3
Tobacco smoke:
a. exposes the smoker to less than 10 carcinogens b. presents more of a risk to male smokers than to female smokers c. takes a long time to manifest in a decrease of respiratory function d. increases respiratory infections e. increases carbon dioxide blood levels but decreases carbon monoxide blood levels