The nucleus of an atom contains:

a. neutrons and protons
b. protons and electrons
c. protons, electrons and neutrons


Ans: a. neutrons and protons

Biology & Microbiology

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A sexually reproducing animal that can fertilize itselfis known asa ____ hermaphrodite

a. simultaneous b. sequential c. parthogenic d. gastrulated e. preferential

Biology & Microbiology

Which organisms are NOT eukaryotes?

a. fungi b. bacteria c. plants d. animals e. protists

Biology & Microbiology

Solute and water activity

What will be an ideal response?

Biology & Microbiology

At the milestone that defines metaphase, the chromosomes

a. separate. b. come together. c. are at opposite poles. d. line up at the equatorial plate. e. cross over.

Biology & Microbiology