Cells SOL Knowledge Check

What is the basic unit of life?

• Atom

• Cell

• Molecule

• Tissue

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

Which of the following is a principle of the cell theory?

• All cells have a nucleus.

• Cells are the basic unit of structure and function in living things.

• Cells can only be seen with a microscope.

• All cells are identical.

Identify the type of cell that lacks a nucleus.

• Eukaryotic cell

• Prokaryotic cell

• Animal cell

• Plant cell

Which component of the cell membrane is primarily responsible for its fluidity?

• Proteins

• Cholesterol

• Carbohydrates

• Phospholipids

What is the main function of the cell membrane?

• To produce energy

• To control the movement of substances in and out of the cell

• To store genetic information

• To synthesize proteins

Tags

NGSS.MS-LS1-2

Which of the following is an example of passive transport?

• Endocytosis

• Exocytosis

• Osmosis

• Sodium-potassium pump

Describe the process of diffusion.

• Movement of water across a semipermeable membrane

• Movement of molecules from an area of high concentration to an area of low concentration

• Movement of molecules against a concentration gradient

• Movement of ions through a protein channel

Tags

NGSS.HS-LS2-3

What is the role of ATP in active transport?

• It provides the energy needed to move substances against their concentration gradient.

• It acts as a channel for molecules to pass through the membrane.

• It binds to molecules to facilitate their movement across the membrane.

• It is not involved in active transport.

Which of the following best describes the role of proteins in the cell membrane?

• They provide energy for the cell.

• They act as channels and carriers for molecules.

• They store genetic information.

• They form the lipid bilayer.

Compare and contrast prokaryotic and eukaryotic cells.

• Both have a nucleus, but only eukaryotic cells have membrane-bound organelles.

• Both lack a nucleus, but only prokaryotic cells have membrane-bound organelles.

• Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have both.

• Prokaryotic cells have a nucleus, while eukaryotic cells do not.