Clostridium difficile is inoculated to two different media. Media X is a rich, nutritious complex growth media. Media Y is a minimal synthetic media containing only the minimum ingredients needed for growth. After 48 hours, which media do you expect to contain a greater proportion of endospores? Explain your reasoning.

What will be an ideal response?


Media X because it has rich nutrition for endospores to grow and divide.

Biology & Microbiology

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The somatic nervous system controls

A) the brain and spinal cord. B) some glands. C) skeletal muscles. D) cardiac muscle. E) smooth muscle.

Biology & Microbiology

The information storage molecules of cells are called:

A. hormones. B. proteins. C. phospholipids. D. enzymes. E. nucleic acids.

Biology & Microbiology

The precipitin test that involves antigen and antibody diffusing toward each other, producing a visible precipitin band at the point at which they meet, is referred to as:

a. double immunodiffusion. b. counterimmunoelectrophoresis. c. particle agglutination. d. enzyme immunoassay.

Biology & Microbiology

The release of chemical signals into the extracellular fluid to affect nearby target cells is an example of ____ regulation

a. autocrine b. endocrine c. paracrine d. systemic e. exocrine

Biology & Microbiology