A toxin common to most Gram-negative bacteria is
A. neurotoxin.
B. coagulase.
C. lipid A.
D. hemolysin.
E. collagenase.
Answer: C
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In insects, the level of ____ controls the formation of a pupa
a. molt-inhibiting hormone b. juvenile hormone c. prothoracicotropic hormone d. ecdysone e. insulin-like hormone
Which of the following organelles would form a membrane-bound package, also known as a vesicle?
A) chloroplasts B) ribosomes C) Golgi apparatus D) mitochondria E) lysosomes
Which of the following is not a factor in increased incidence of fungal infections?
A) urban development B) increasing antibiotic resistance C) climate change D) deforestation E) increasing number of people living with immunosuppression
The figure shown above is of what kind of tissue?
a. blood b. adipose c. bone d. cartilage e. dense connective