In a polygynandric species of birds with female brood care, the duration of copulation is positively correlated with the amount of nesting material that a male contributes
The duration of copulation is, in turn, positively correlated with the chance of fathering offspring. What is the likely mechanism for female choice in this system?
a. direct benefits c. runaway sexual selection
b. good genes d. sensory bias
A
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Are plant and animal cells generally the same size?
a. Yes b. No, plant cells are generally larger. c. No, animal cells are generally larger.
An endergonic reaction can proceed only if it absorbs:a
more free energy than is released by a coupled exergonic reaction. b. less free energy than was released by a coupled endergonic reaction. c. less free energy than is released by a coupled exergonic reaction. d. the same amount of free energy that is absorbed by the enzymatic breakdown of proteins. e. energy from ADP, forming ATP
Complement proteins in their intact and unactivated form act as opsonins by binding to microorganisms and promoting phagocytosis
Indicate whether the statement is true or false
Explain how dicer and RISC are involved in the production and function of miRNAs
What will be an ideal response?