The innermost electron shell of an atom can hold up to how many electrons?
What will be an ideal response?
Answer: 2
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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.
The diagram illustrates two-hybrid screening. In which discipline would this technique be used?
a. genomics
b. metabolomics
c. proteomics
d. bionomics
Proteins are made up of many
a. RNA molecules only. b. DNA molecules only. c. RNA and DNA molecules. d. nucleotides. e. amino acids.
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.