Consider the possibility of a mutation occurring in a strain of avian influenza virus which enables the bird-specific strain to readily infect humans. Such a mutation would most likely result in changes within the ________.
A. nucleoprotein (NP)
B. viral capsid
C. HA protein
D. RNA-dependent RNA polymerase
Answer: C
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A 2009 study of more than 4,300 people identified a(n) ____ as the most likely reason why the least-fit among the group had higher mortality rates than the moderately fit and most-fit.
a. lack of opportunities b. addiction to drugs c. addiction to alcohol d. sedentary lifestyle e. unhealthy environment
All EXCEPT which of the following is true
about chlamydia? a. It is the most common bacterial STD. b. It can be passed on from mother to child. c. Most infected males are undiagnosed because they have no symptoms. d. It can be treated with antibiotics. e. Untreated males risk infertility
Organelles other than the nucleus that contain DNA include
a. ribosomes. b. mitochondria. c. chloroplasts. d. B and C only e. A, B, and C
What is the short segment of the cell cycle during which genetic material is partitioned equally to two daughter cells?
What will be an ideal response?