The number of protons in an uncharged atom ______.

Fill in the blank(s) with the appropriate word(s).


Answer: Equals the number of electrons

Biology & Microbiology

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A mutation in which the fate of cell lineages is not synchronized in an organism is called a ____

A. heterochronic mutation B. apoptotic mutation C. homeotic mutation D. homeobox mutation

Biology & Microbiology

The taiga or boreal forest is best described as what type of forest?

a. deciduous b. thorn c. coniferous d. broad-leafed e. shrub

Biology & Microbiology

Enzymes can lower the activation energy of a chemical reaction by

A) stabilizing the transition state. B) properly positioning reactants. C) properly positioning reactants and stabilizing the transition state. D) raising the temperature so that reactants collide more forcefully. E) properly positioning reactants and raising the temperature so that reactants collide more forcefully.

Biology & Microbiology

If a restriction endonuclease cuts a circular DNA three times, how many fragments should there be after the DNA is

subjected to electrophoresis through an agarose gel?

a. 1 b. 2 c. 3 d. 4 e. 5

Biology & Microbiology