Which group of atoms varies from one type of amino acid to another
A) 1
B) 2
C) 3
D) 4
Answer: B) 2
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Which of the following affects the size of the clear zone in a disk diffusion test of antimicrobial susceptibility?
A. The initial concentration of the drug B. The diffusion rate of the drug C. The solubility of the drug D. All of the choices are correct.
What are the main differences between plant and animal cells?
A.) Animal cells are eukaryotes and plant cells are not. B.) Plant cells are eukaryotes and animal cells are not. C.) Animal cells have cell walls and chloroplasts; plant cells do not. D.) Plant cells have cell walls and chloroplasts; animal cells do not.
Why are shelled eggs evolutionarily advantageous?
What will be an ideal response?
What is the term used for groups of microbes that have similar metabolic requirements and therefore live in similar environmental niches?
A. Ecosystem B. Guild C. Microbiome D. Population