In eukaryotes the nucleus is duplicated in a process called:

a. binary fusion.
b. meiosis.
c. mitosis.
d. fusion.
e. cloning.


C

Biology & Microbiology

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Individual water molecules are held to one another by relatively weak ________ bonds.

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The amino acids of the protein keratin are arranged predominantly in an ?-helix. This secondary structure is stabilized by _____

A) covalent bonds B) peptide bonds C) ionic bonds D) polar bonds E) hydrogen bonds

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How do kelp beds in the northeastern U.S. differ from those of the northwestern U.S.? What is the dominant non-human predator in each habitat?

What will be an ideal response?

Biology & Microbiology

Senescence means that

A. All of the answer choices are correct. B. a plant is aging towards death or dormancy. C. a plant is doing less synthesis of molecules. D. plant tissues are breaking down more molecules. E. a plant is potentially going through leaf abscission.

Biology & Microbiology