An exoenzyme is an extracellular enzyme that may be involved int he breakdown of host defensive barriers or damage to host tissues
a. true
b. false
a. true
Biology & Microbiology
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Explain why we say nearly all life on Earth ultimately depends on the sun for energy
What will be an ideal response?
Biology & Microbiology
The number of individuals produced per individual per unit time in a population is its rate.
A. expatriation B. emigration C. immigration D. death E. birth
Biology & Microbiology
Braking your car after you observe a child's ball rolling into the street from between parked vehicles
a. is instinctive. b. requires a conscious decision. c. is a reflex. d. both a and b.
Biology & Microbiology
Microscopic organisms floating on the surface of the ocean make up the ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology