The innermost electron shell of an atom can hold up to how many electrons?

What will be an ideal response?


Answer: 2

Biology & Microbiology

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What is a difference between a Tn and IS element?

A) Tn elements can carry antibiotic resistance genes. B) IS elements carry a transposase gene. C) Tn elements integrate into plasmids and genomes. D) IS elements integrate into plasmids and genomes.

Biology & Microbiology

The diagram illustrates two-hybrid screening. In which discipline would this technique be used?


a. genomics
b. metabolomics
c. proteomics
d. bionomics

Biology & Microbiology

Proteins are made up of many

a. RNA molecules only. b. DNA molecules only. c. RNA and DNA molecules. d. nucleotides. e. amino acids.

Biology & Microbiology

The hypothesis that life developed from nonliving matter is known as:

a. abiotic evolution. b. chemical evolution. c. natural selection. d. organic evolution. e. inorganic evolution.

Biology & Microbiology