A clinical sample from a mucus membrane is usually collected as a (biopsy/needle/swab) specimen
What will be an ideal response?
swab
Bloom's Taxonomy: Knowledge
Section: Culturing Microorganisms
Learning Outcome: 6.8
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Lactobacillus grows optimally at ________ pH.
A. slightly alkaline B. very acidic C. neutral D. slightly acidic
Mobile genetic elements that are permanently integrated into a microbial genome are known as ________.
Fill in the blank(s) with the appropriate word(s).
Most sperm cells die in the vagina when entering the female's body because
A) the sperm cannot pass through the mucus. B) the female's reproductive tract is protected by digestive enzymes. C) of the low pH of the vagina. D) the sperm cells have not yet been activated to swim. E) macrophages from the female's immune system destroy all nonself cells.
What is happening when a neuron is at rest before an action potential?
A) The membrane is depolarized. B) Membrane ion channels are open. C) Potassium is diffusing out of the cell. D) The inside of the neuron is negative relative to just outside the neuron.