The extraembryonic membrane that forms the majority of the placenta is the:
a. amnion
b. allantois
c. chorion
d. yolk sac
e. umbilical cord
c
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Deficiencies of brush border enzymes in the small intestine would NOT affect the complete digestion of __________.
A. fats B. starch C. DNA and RNA D. sucrose E. proteins Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about enzymes found on the brush border? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A bacterium that uses the oxidation of inorganic compounds to provide energy for manufacturing
nutritious organic compounds is a: a. photoautotroph. b. parasite. c. saprotroph. d. chemoautotroph. e. pathogen.
Cosmids are so named because they can be used to express foreign genes in a variety of different hosts.
Answer the following statement true (T) or false (F)
Major histocompatibility complex (MHC) molecules are what type of membrane protein?
a. enzyme b. anchoring protein c. receptor protein d. recognition protein