The lymphatic system is comprised of lymph nodes and ducts, the spleen, thymus, bone marrow and white blood cells,
all of which are central players in defending the body against microorganisms and viruses.
Indicate whether the statement is true or false.
ANSWER: False - immune system
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In Thomas Hunt Morgan's experiments, males had white eyes but females did not. What cross could you perform with his flies to obtain white-eyed females?
A. cross the F1 offspring to each other. B. cross an F1 female to a white-eyed male. C. cross an F2 female with an F1 male. D. cross an F2 female with a white-eyed male. E. crossing either the F1 or F2 females with a white-eyed male will produce some white-eyed females.
What powers the ATP synthase enzyme in the light-dependent reactions of photosynthesis?
a. energy from ATP b. energy from NADPH c. energy from the splitting of water d. energy from electron transfer chains e. energy from the flow of hydrogen ions
Which of the following is NOT true about sponges?
a. They have few predators or pathogens. b. Some groups have sharp spicules of silica or calcium carbonate. c. Some species secrete a slimy body coating. d. They can harvest sea anemone nematocysts and use them for their own defense. e. Disease and overharvesting have caused population declines.
Microbiologists interested in parasites study multicellular (algae/fungi/helminths) as well as single-celled protozoa.
Fill in the blank(s) with the appropriate word(s).