How do small molecules like Na+ of K+ pass through the plasma membrane?

What will be an ideal response?


ion channels

Biology & Microbiology

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If an E. coli strain typically has 50 loop domains, how many total base pairs might this bacteria have in its chromosome?

A. 500-2,000 B. 5,000-20,000 C. 50,000-80,000 D. 200,000-450,000 E. 5 billion

Biology & Microbiology

The adaptations of species involve

a. form. b. function. c. behavior. d. life history patterns. e. all of these.

Biology & Microbiology

Cotransduction of genes is an indication that the genes are linked

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following best illustrates the Bohr effect?

a. The amount of a gas that diffuses across a membrane depends on the differences in the gas' partial pressure. b. The ability of hemoglobin to bind oxygen depends on the partial pressure of oxygen. c. In a mixture of gases, the total pressure of the mixture is the sum of the pressures of the individual gases. d. pH causes a displacement of the oxygen-hemoglobin dissociation curve. e. As the concentration of chloride ions increases, the ability of hemoglobin to bind carbon dioxide decreases

Biology & Microbiology