Which of the following can be used as an energy source inside a human body?

a. proteins
b. carbon dioxide
c. water
d. oxygen


a. proteins

Biology & Microbiology

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Animal cells use exocytosis to secrete all of the following except

A) cell wall material. B) mucus. C) peptide hormones. D) milk proteins. E) digestive enzymes.

Biology & Microbiology

Fungi are often capable of locomotion through the use of flagella

Indicate whether this statement is true or false.

Biology & Microbiology

Gorter and Grendel's classic experiment allowed them to observe that the erythrocyte plasma membrane contains _______ the surface area of the erythrocytes.

a. enough lipid to occupy a monolayer equal to b. enough lipid to occupy a monolayer equal to twice c. less lipid than would occupy a monolayer equal to d. enough lipid to occupy a monolayer equal to one-half

Biology & Microbiology

Urinary tract infections are the most common forms of nosocomial infections

Indicate whether the statement is true or false

Biology & Microbiology