Early pre-cells developed an important prerequisite for life, which was self-replicating __________.
A. RNA
B. carbohydrates
C. lipids
D. amino acids
A. RNA
Biology & Microbiology
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Which one of the following types of culture media is selective and differential?
A) blood agar B) MacConkey agar C) phenylethyl alcohol agar D) Thayer-Martin agar
Biology & Microbiology
The components of fats are fatty acids and
A. amino acids. B. nucleotides. C. phosphate. D. glycerol. E. All of the choices are correct.
Biology & Microbiology
Body parts that are similar in different lineages because the lineages have a common ancestor are ____
a. homologous structures b. comparative structures c. analogous structures d. repetitive structures e. vestigial structures
Biology & Microbiology
Epidemiologists can use (direct immunofluorescent/immunochromatographic/serological) assays to track infectious disease.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology