Which of the following explains why damage to the spleen reduces the production of granulocytes?
a) damage to the spleen reduces the production of granulocytes
b) damage to the spleen causes massive blood loss
c) damage to the spleen results in loss of clotting ability
d) damage to the spleen results in decreased red blood cell production and maturation
Ans: b) damage to the spleen causes massive blood loss
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Transgenic farm animals have not gained importance as sources of pharmaceuticals because
A) they are too difficult to maintain. B) they are more susceptible to cancer and other diseases. C) they produce diluted forms of pharmaceuticals. D) they carry multiple viral strains.
When the intracellular level of lactose drops, the repressor protein binds to the operator and shuts
down translation. __________________ Indicate whether the statement is true or false.
Is made up of collagen and calcium-binding proteins, collagen makes up 90% of bone protein. Makes up one third of organic bone matrix, is secreted by osteoblasts. Consists of ground substance and collage fibers, which contribute to high tensile strength and flexibility of bone.
What will be an ideal response?
Why is acetogenesis from H2 and CO2 more favored than methanogenesis in termites?
a. Unlike methanogens, acetogens are able to use other substrates, such as sugars, as electron donors for energy metabolism. b. Unlike acetogens, methanogens are able to use other substrates, such as methyl groups, as electron donors for energy metabolism. c. Termite acetogens can better colonize the H2-rich termite gut center, whereas methanogens are restrictedto the wall. d. both a and c