Which of the following bacterial genera includes species that protect areas of the body such as the intestinal tract and the vagina from invasion by pathogens?
A. Staphylococcus
B. Listeria
C. Lactobacillus
D. Mycobacterium
E. Corynebacterium
Answer: C
Biology & Microbiology
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A. green B. violet-blue C. red D. yellow-orange
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Explain how a diving marine mammal increases its supply of stored O2, in spite of the fact that its
lungs are collapsed at depths below 25 meters.
What will be an ideal response?
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The smallest cell structure that would most likely be visible with a standard (not super-resolution) research-grade light microscope is a _____
A) mitochondrion B) microtubule C) ribosome D) microfilament
Biology & Microbiology
What is the term for a group of organisms of the same species that occupies a specified area?
A. Individuals B. Species C. Population D. Polyploids E. Tribe
Biology & Microbiology