Where do plants get the carbon they use to make organic molecules?
a. glucose
b. oxygen
c. water
d. starch
e. carbon dioxide
Answer: e. carbon dioxide
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. In 2015, malaria caused over 400,000 deaths, mostly in African children. It remains a global health threat. Which protist is responsible for malaria?
a. Anophele gambiae b. Trypanosoma brucei c. Plasmodium falciparum d. Phytophthora infestans
Which population has a small percentage of Denisovan genes, thus suggesting interbreeding?
a. Asians b. Melanesians c. H. floresiensis d. Neanderthals e. chimpanzees
Why is it difficult to develop drugs that specifically target viruses and eukaryotic pathogens?
A) Viruses and eukaryotes evolve too rapidly for drugs to be effective. B) The ethical concerns with testing these drugs are too great. C) The drugs often inflict collateral damage on our own cells. D) Security enzymes break down these foreign drugs before they can exert their effects. E) There are often duplicate metabolic pathways that pick up the slack from any disturbance caused by these drugs.
Which is not an APC?
A) dentritic cells
B) macrophages
C) mature B cells
D) natural killer cells
E) None of the answers is correct; all of these are APCs.