Most presumptive tests for blood rely on ___ ability to catalyze the oxidation of certain reagents.

What will be an ideal response?


hemoglobin

Biology & Microbiology

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Which of the following is not true of miRNA processing?

A. Drosha processes primary miRNA transcripts to precursor miRNAs. B. RISC binds to pre-miRNA in the cytoplasm. C. RNA helicase is necessary for unwinding the miRNA duplex. D. Dicer completes the processing by cleaving the single-stranded form of the miRNA.

Biology & Microbiology

Which time period of Earth represents when evolution was progressing at the most rapid rate, as evidenced by fossils

such as those of the Burgess Shale? a. Silurian period b. Cambrian period c. Devonian period d. Ordovician period e. Carboniferous period

Biology & Microbiology

Assuming a cell can use glucose as an energy source in fermentation, aerobic or anaerobic respiration. Which of these processes will provide the most ATP to the cell?

a) fermentation b) aerobic respiration c) anaerobic respiration d) they all provide the same amount of ATP to the cell

Biology & Microbiology

Which of the following is the subdiscipline of biology concerned with the study of heredity and variation at the molecular, cellular, developmental, organismal, and populational levels?

A) cytogenetics B) molecular biology C) biochemistry D) cell biology E) genetics

Biology & Microbiology