Topic 1.2 Quiz - Ultrastructure of Cells

What is the best definition of a Nucleoid ?

• Organelles made of protein and RNA that direct protein synthesis.

• A dense region of DNA in a prokaryotic cell.

• The basic structural and functional unit of all organisms.

• A phospholipid bilayer that surrounds the cell

Plasma membrane is best described as....

• A phospholipid bilayer that surrounds the cell

• Organelles made of protein and RNA that direct protein synthesis.

• A rigid non­cellulose structure that surrounds cells of bacteria

• A dense region of DNA in a prokaryotic cell.

Tags

NGSS.MS-LS1-2

Which statement best describes a prokaryote cell wall ?

• Hair­like protein structures, that allow bacteria to attach to things.

• A phospholipid bilayer that surrounds the cell

• A dense region of DNA in a prokaryotic cell.

• A rigid non­cellulose structure that surrounds cells of bacteria

A single-celled organism without a nucleus or membrane-bound organelles.

• pili

• ribosomes

• flagella

• prokaryote

Long, thin, whip-like structures, with a core of microtubules, that enable movement.

• flagella

• cell wall

• nucleoid

• cell

T/F - Pili → Hair-like protein structures, that allow bacteria to attach to things.

• True

• False

T/F - Plasma membrane → A phospholipid bilayer that surrounds the cell

• True

• False

T/F - Escherichia coli (E. coli) → A rigid non-cellulose structure that surrounds cells of bacteria

• True

• False

What is this organelle?

• Golgi apparatus

• Chloroplast

• Ribosome

• Mitochondria

Tags

NGSS.HS-LS1-7

What is this organelle?

• Rough ER

• Smooth ER

• Golgi Apparatus

• Mitochondria