While analyzing data from the prior week, a chemist determines that she has discovered a new type of atom. While the atom has the same number of protons as nitrogen, the number of neutrons is different. What has she discovered?

a. an isomer
b. an ion
c. an isotope
d. a compound


c. an isotope

Biology & Microbiology

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The extracellular matrix is an important part of which type of tissue?

A. epithelial B. muscle C. connective D. nervous

Biology & Microbiology

The animal in the above figure is using ____

for protection. a. mimicry b. display behavior c. warning coloration Community Ecology 416 d. chemical defenses e. camouflage

Biology & Microbiology

If a population has an allele frequency of 1.0, you would say that

A) the allele frequency is ideal. B) genetic variation of that allele is low. C) genetic variation of that allele is high. D) that allele is under selection.

Biology & Microbiology

Which molecule provides the energy that the cell requires for protein translation?

a. GTP b. TTP c. ATP d. ADP

Biology & Microbiology