Chapter 4

Which of the following is found in the nucleoid of a prokaryotic cell?

• Carbohydrates

• Proteins

• RNA

• DNA

Which two features distinguish a eukaryotic cell from a prokaryotic cell?

• Membrane-bound organelles

• Cell membrane

• Cell wall

• Nucleus

• DNA

As cells increase in size,

• they become adequately sized to exchange waste for nutrients.

• the surface becomes inadequate to exchange waste for nutrients.

• they become more likely to build up wastes and die.

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The cytoplasm is best described as the

• polysaccharide layer external to the cell wall which functions to adhere bacteria to surfaces, and protect against drying.

• semifluid solution composed of water, organic and inorganic molecules inside the plasma membrane.

• phospholipid bilayer which regulates the transport of substances into and out of a cell.

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NGSS.MS-LS1-2

Which cell size is the most efficient at exchanging materials with the environment?

• A medium sized cell

• A large cell

• A small cell

Where are proteins encoded by prokaryotic DNA synthesized?

• Ribosomes

• Golgi apparatus

• Central vacuole

• Nucleus

The smallest structure capable of performing all the functions necessary for life is the ______

• atom

• cell

• molecule

• tissue

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following is true of all eukaryotic cells?

• They have a nucleoid region.

• They have cell walls.

• They are cells with a nucleus.

Which of the following is a phospholipid bilayer with embedded proteins?

• cell capsule

• cell envelope

• cell wall

• plasma membrane

What is an organelle?

• an appendage for locomotion

• the barrier that separates a cell from the environment

• a structure within a cell with a specific function

Tags

NGSS.MS-LS1-2