The membrane proteins responsible for distinguishing "self" from "nonself" are which of the

following?
a. channel
b. recognition
c. receptor
d. carrier
e. mosaic


B

Biology & Microbiology

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Indicate whether the statement is true or false

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What is a nucleosome?

What will be an ideal response?

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Typical ratios resulting from epistatic interactions in dihybrid crosses would be ________

A) 1:1:1:1, 1:4:6:4:1 B) 3:1, 1:1 C) 9:3:4, 9:7 D) 1:2:2:4:1:2:1:2:1, 1:2:1 E) 9:3:3:1, 1:2:1

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Which of the following is NOT a goal of recombinant DNA technology?

A. combining genetic material from more than one organism to produce new useful organisms B. making it possible to clone humans C. eliminating undesirable traits from livestock or crops D. being able to remove or correct damaging traits in humans E. creating organisms capable of producing useful products

Biology & Microbiology