In double fertilization, one sperm fuses with the egg, and the other sperm fuses with the two antipodal

nuclei.
____________________ Indicate whether the statement is true or false.


F, polar

Biology & Microbiology

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An endemic species is one that

A. has been cultivated by humans. B. functions as a keystone species. C. is found in only one particular place or region. D. can be used as an indicator species. E. does not effect ecosystem function.

Biology & Microbiology

Excessive heat or extremes of pH often cause denaturation of proteins, which means that the proteins

a. have fallen apart into individual monomer subunits. b. are no longer biological molecules. c. have broken into many separate domains. d. are no longer in a functional three dimensional structure. e. are highly reactive.

Biology & Microbiology

How does brood parasitism harm the hosts and benefit the parasite?

What will be an ideal response?

Biology & Microbiology

The chance that an individual in the United States will experience some form of cancer in his or her lifetime is

A) 1 in 3. B) 1 in 10. C) 1 in 25. D) 1 in 1,000. E) 1 in 10,000.

Biology & Microbiology