Each class of antibody is specifically defined by its

A. amino acid sequence of the constant region of the heavy chain.
B. amino acid sequence of the variable region of the light chain.
C. ability to cross the placenta.
D. disulfide bonds.


A

Biology & Microbiology

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Say Gus and Ida were released back into the wild in 2011, in an area that has a population of polar bears. You observe them for many years and they only breed with each other

Does this prove that they are members of a different species than the wild polar bears? A. yes B. no C. maybe

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Organisms that are found together and interact on a more or less permanent basis are in a relationship termed

A. mutualism. B. parasitism. C. symbiosis. D. transient microbiota.

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If melanocyte-stimulating hormone were increased, you would expect ____

a. changes in kidney function for retention of water b. increase in reproductive or estrus cycles c. decrease in heat loss from the body surface d. increase in pigmentation in the skin e. decrease in milk production in females

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Describe what is meant by a gratuitous inducer. Give an example

What will be an ideal response?

Biology & Microbiology