The goal of xenotransplantation research is to produce transgenic animals that could ________
a. produce more food
b. become human organ donors
c. all of the choices
d. produce vaccines
b
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The medically useful compounds some actinomycetes produce when forming aerial mycelia are called ________.
A. primary metabolites B. anti-metabolites C. secondary metabolites D. inhibitory metabolites
Many people develop "mountain sickness" when they travel to high altitudes, developing headaches, difficulty
sleeping, and nausea from the lack of oxygen. Which process fails to occur in people who continue to have mountain sickness after being at high altitude for a few days?
a. evolution b. dynamic equilibrium c. acclimation d. acclimatization e. biorhythms
We see that in the Eumetazoa, one of the advances is toward bilateral symmetry. What kinds of things does bilateral symmetry enable an organism to do?
What will be an ideal response?
Active genes are found in the _______ of eukaryotic chromosomes.
What will be an ideal response?