In isotopes

a. electrons
b. neutrons
c. ions


Ans: c. ions

Biology & Microbiology

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When male moose engage in their annual battles, butting heads with their oversized antlers, they are

participating in a process that will lead to

a. stabilizing selection. b. disruptive selection. c. directional selection. d. intrasexual selection. e. intersexual selection.

Biology & Microbiology

Which of the following defines the essential gene set of an organism such as a species of yeast?

A) genes that, when mutated, reduce the growth of a heterozygous organism B) genes whose deletion alleles are not found among haploid offspring C) the fewest genes that, when mutated, result in slow growth in optimal environments D) genes whose mutations result in haploinsufficiency E) genes that, when mutated, are either lethal or conditionally lethal in special environments

Biology & Microbiology

The impact of a single gene on more than one characteristic is an example of _______ inheritance.

a) pleiotropy b) multiple allele c) polygenetic d) incomplete dominance

Biology & Microbiology

What is the extracellular, metabolically inert, and infective form of Chlamydia?

A. Reticulate body B. Elementary body C. Replicate body D. Initial body

Biology & Microbiology