Which of the following is detected by the methyl red (MR) test?
2,3 butanediol
lactic acid
acetoin
low pH
low pH
Biology & Microbiology
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How many chromosomes are found in a single human cell at the end of each of the following mitotic stages? ________ prophase ________ metaphase ________ anaphase ________ telophase
What will be an ideal response?
Biology & Microbiology
Which structure could be incorporated into a protein?
A) alanine B) ribonucleic acid C) thymine D) uracil
Biology & Microbiology
An intravenous (IV) solution must be __________________ to a person's red blood cells to prevent injury to the cells.
A. isotonic B. hypertonic C. hypotonic D. osmotic
Biology & Microbiology
Organisms that can grow with or without oxygen present are
A) obligate aerobes. B) facultative anaerobes. C) aerotolerant anaerobes. D) obligate anaerobes. E) either facultative anaerobes or aerotolerant anaerobes.
Biology & Microbiology