In viruses, the capsid
a. is composed of DNA or RNA.
b. destroys the viral DNA or RNA.
c. is never present.
d. consists of many genes.
e. may be involved in attachment of the virus.
E
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The cancer drugs Gleevec and Herceptin bind to receptor ____________________ and stop the growth of cancer cells
Fill in the blank(s) with correct word
The impacts of the microbial types that inhabit cross-sections of water sediment are vast. Consider that sediments deep beneath water surfaces are home to perhaps ________ of the world's bacterial and archaeal biomass.
A. 50% B. 10% C. 20% D. 95%
During fermentation in yeast, acetaldehyde accepts a hydrogen atom from NADH and is converted to ________.
Fill in the blank(s) with the appropriate word(s).
How does an enzyme work to catalyze a reaction?
It supplies the energy to speed up a reaction. It lowers the energy barrier needed for reactants to achieve the transition state. It lowers the energy of activation of a reaction. It supplies the energy to speed up a reaction and lowers the energy barrier needed for reactants to achieve the transition state. It lowers the energy barrier needed for reactants to achieve the transition state or lowers the energy of activation of a reaction.