Some athletes use "blood doping," in which additional red blood cells are added to the blood prior to the competition. What is the effect of blood doping?
A) It decreases blood pressure. B) It changes the blood type.
C) It increases oxygen delivery to muscles. D) It makes blood thinner so that it flows faster.
C
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Colchicine is a drug that is used in plant breeding to create polyploids. It blocks the assembly of microtubules. If dividing cells are treated with Colchicine, at what stage of mitosis would you predict the arrest would occur?
A. prophase B. metaphase C. late Anaphase D. telophase E. G1 of interphase
Describe the sequence of events that lead to neurotransmitter release from a presynaptic neuron. What will be an ideal response?
The Monteverde Cloud Forest in Costa Rica is an example of a ____.
A. national park B. nearly extinct ecosystem C. restored ecosystem D. government nature reserve E. private nature reserve
Which of the following is defined as "all of the various species living in the same area?"
Community Ecosystem Population Organism