Diffusion/Osmosis: Question Preview (ID: 2710)

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A cell with 8% solute concentration is placed in a beaker with a 20% solute concentration. What will happen to the cell over time?
a) The cell will gain H2O and expand
b) The cell will undergo no exchange of H2O with its surroundings
c) The cell will both gain and lose equal amounts of H2O; thus, it will remain the same size
d) The cell will lose H2O and shrink

channels embedded in the cell membrane which act as doors to let large molecules in are made up of
a) Lipids
b) amino acids
c) proteins
d) carbohydrates

which of the following types of diffusion requires energy?
a) active transport
b) mitochondria
c) osmosis
d) facillitated diffusion

the movement of water molecules from an area of high concentration to low concentration is known as
a) facilitated diffusion
b) osmosis
c) diffusion
d) active transport

often molecules are too large to pass easily through the cell membrane. In order to cross they need to go through a protein channel. THis is known as
a) active transport
b) isotonic
c) osmosis
d) facilitated diffusion

When a cell is placed in this type of solution it will swell
a) hypotonic
b) osmosis
c) isotonic
d) hypertonic

the movement of molecules, other than water, across the cell membrane is known as
a) isotonic
b) hypertonic
c) diffusion
d) osmosis

Active transport requires energy to send large molecules across the cell. Which organelle is responsible for producing the energy needed
a) ribosomes
b) smooth endoplasmic reticulum
c) cell membrane
d) mitochondria

A cell containing 2% NaCl is placed into a solution containing 10% NaCl. Which of the following is correct
a) the solution is isotonic and will make the cell shrink
b) the solution is hypertonic and will make the cell expand
c) the solution is hypertonic and will make the cell shrink
d) the solution is hypotonic and will make the cell expand

After eating a donut your stomach transfers glucose (sugar) molecules to your blood cells to be distributed to the rest of your body. This concept is known as
a) isotonic
b) diffusion
c) photosynthesis
d) osmosis

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