____is used within the cell’s membrane and as a precursor to other steroids synthesized by cells.
Answer: Cholesterol
Biology & Microbiology
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Dead phagocytes make up much of the material of pus
Indicate whether the statement is true or false.
Biology & Microbiology
Although penicillin inhibits peptidoglycan synthesis, bacterial cells will continue to grow normally in the presence of penicillin in a(n) ________ environment.
A. nonpolar B. isotonic C. hypotonic D. hypertonic
Biology & Microbiology
Leaves on cacti and pelvic bones on snakes illustrate which of the following?
a. vestigial structures b. genetic drifting c. homologous structures d. DNA mutation
Biology & Microbiology
The _____ and _____ of the light being refracted influence the refractive index for any substance.
What will be an ideal response?
Biology & Microbiology