Plant and Animal Cells

Front

Which of the following statements concerning cell membranes is true?
Options: Water passes freely through a cell membrane., A substance that is soluble in lipids will be repelled by a cell membrane, The size of a substance will not affect whether it passes through a cell membrane, Cell membranes allow all substances to pass through freely

Back

Water passes freely through a cell membrane.

Front

The diagram represents an experiment carried out in a school laboratory.  A semi permeable membrane separates two solutions.  The membrane is only permeable to substances small enough to fit through the pores.
Which of the following statements is true?

Back

Osmosis will favour the movement of water molecules from side B to side A.

Front

Diagram of a cell in a salt solution: Which statement is correct? Options: This cell will gain water while there is no net movement of salt, This cell will lose both salt and water to the external environment, Salt will move into the cell and water will move out of the cell, Water and salt will move into the cell’s cytoplasm

Back

Salt will move into the cell and water will move out of the cell

Front

Liver cells are considered to be among the most active cells in the body. Therefore, it is most likely that they will contain large numbers of: nuclei, mitochondria, vesicles, golgi bodies

Back

mitochondria

Front

The process in which a substance in solution moves from an area of high concentration to an area of lower concentration is called

Back

diffusion

Front

How do amino acids pass through the cell membrane?

Back

Transferred by carrier proteins

Front

Where does the production of proteins occur?

Back

ribosomes

Front

The most likely means by which a white blood cell would remove foreign material is: osmosis, exocytosis, active transport, phagocytosis.

Back

exocytosis

Front

What happens to a human cell in a solution with a higher solute concentration than its cytoplasm?

Back

More water leaves the cell than enters the cell

Front

Calculate the new field of view if the magnification changes from 40x to 100x. Original field of view: 2000 µm.

Back

800 µm