Free and unesterified fatty acids bind to one of a number of chaperone proteins in order to be transported in the aqueous environment of the cytosol. Which of the following facilitates this intracellular transport?

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#Question id: 2070

#Section 2: General Biology

The sodium-potassium pump is called an electrogenic pump because it:

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#Question id: 644

#Section 2: General Biology

Enzyme X and Enzyme Y are both involved in monosaccharide metabolism. Enzyme X uses glucose as a substrate while Enzyme Y uses fructose as a substrate. At pH=7.0, Enzyme X has a Vmax of 10 μM/s while Enzyme Y has a Vmax of 20 μM/s. Both enzymes have a Km of 3.0 mM for their respective substrates. Which aspects of its reaction will be changed by Enzyme Y?

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#Question id: 14612

#Section 2: General Biology

The cell wall of Gram-negative organisms

A. has a thick peptidoglycan layer.

B. has a thin peptidoglycan layer.

C. is more permeable to various molecules than the Gram-positive cell wall.

D. is characterized by an outer membrane containing LPS.

Which combination is correct?

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#Question id: 100

#Section 2: General Biology

Which of the following contain NeuNAc residues and sulfated sugars, and their negative charges contribute to the viscosity of mucins.

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#Question id: 431

#Section 4: Fundamentals of Biological Engineering

Which is not generally a molecule used to conserve energy?