Question 1

The three characteristics that determine the kind and amount of material that can be moved across a membrane by carrier-mediated transport are ____________________, ____________________, and ____________________.

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Question 2

The ____________________ refers to the maximum amount of a substance that can be transported across the plasma membrane via a carrier in a given time.

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Question 3

In many cells, the hormone called ____________________ promotes the insertion of glucose carriers into the plasma membranes.

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Question 4

Secondary active transport in which two substances pass through the membrane in the same direction is called ____________________.

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Question 5

A transport maximum is associated with carriers that perform ____________________ or ____________________ in the cell membrane.

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Question 6

Glucose moves against its concentration gradient through the cell membrane by passing through carriers that simultaneously transport ____________________ ions.

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Question 7

In facilitated diffusion, particles move from a(n) ____________________ concentration to a(n) ____________________ concentration.

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Question 8

Endocytosis and exocytosis are both examples of ____________________ transport.

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Question 9

Simple diffusion of different substances through the cell membrane can occur through the phospholipid region and through ____________________.

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Question 10

Opening a sodium channel during the resting membrane potential will cause the potential to become less ____________________.

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Question 11

____________________ are cell connections that utilize CAMs to hold adjacent cells together while being anchor to intermediate filaments of each cell's cytoskeleton.

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Question 12

Net diffusion of water down its own concentration gradient toward an area of higher solute concentration is known as ____________________.

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Question 13

In active transport, a substance moves from an area of ____________________ concentration to an area of ____________________ concentration.

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Question 14

The two types of ____________________ transport include active transport and ____________________.

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Question 15

Surrounding a blood cell with a 0.5% NaCl solution would cause the cell to ____________________, because this NaCl solution is ____________________ to the cell.

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Question 16

____________________ refers to a separation of opposite charges across the membrane.

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Question 17

The membrane potential that exists when the concentration and electrical gradients for a given ion exactly counterbalance each other is known as the ____________________.

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Question 18

A solution containing ____________________ mOsm of solute is isotonic to human cells.

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Question 19

In ____________________ diffusion, water-soluble materials move through specific channels in the cell membrane.

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Question 20

A solution containing the same concentration of solute particles as human cells is said to be ____________________ to the cell.

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Quiz 3: The Plasma Membrane and Membrane Potential

The three characteristics that determine the kind and amount of material that can be moved across a membrane by carrier-mediated transport are , , and .