Which type of anatomical feature is a plant stem considered to be?
a. an organ
b. a meristem
c. a shoot system
d. a tissue
Ans: a. an organ
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Stanford University published one of the first whole genome studies of a healthy human, including disease risks. What was the product of this sequencing event?
a. It predicted his life span. b. It predicted his probability of developing addictive habits. c. It predicted his propensity to acquire various diseases. d. It predicted whether he could have children or not.
The measure of the concentration of solutes in a solution is ____
a. tonicity b. osmosis c. hydrostatic pressure d. diffusion e. facilitated diffusion
During the production of vaccines, which of the following is NOT a measure taken to reduce the risk that the vaccine will cause an infection or other adverse reactions?
a. converting exotoxins to toxoids b. killing pathogens with heat c. diluting pathogen concentrations so they are less virulent d. killing pathogens with phenol
What number is/are naked icosahedral virus(es)?
What will be an ideal response?