Structure of prokaryote

What structures are part of an Escherichia coli cell?

• A. Ribosomes, nucleoid and Golgi apparatus

• B. Ribosomes, mitochondria and pili

• C. Cell wall, plasma membrane and nuclear membrane

• D. Pili, flagella and cytoplasm

The image represents an Escherichia coli. What is the function of structure X?

• A. Active transport

• B. Attachment

• C. Cell division

• D. Cell respiration

Which structure is present in a prokaryotic cell?

• A. Plasma membrane

• B. 80S ribosomes

• C. nucleus

• D. chloroplast

Which features are present in prokaryotic cells?

• A. DNA, plasma membrane and mitochondria

• B. cytoplasm, ribosomes and rough endoplasmic reticulum

• C. ribosomes, chloroplasts and cell wall

• D. DNA, cell wall and capsule

The diagram shows the structure of a bacterium.

• A. Pili

• B. Capsule

• C. cell wall

• D. Cell membrane

The electron below shows an E. coli cell.

Identify the structures labelled A and B in the electron micrograph above and state one function of each.

A: Name

Function

B: Name:

Function:

What is the function of the cell membrane of this bacterium?

• A.To control entry and exit of substances

• B. To form the only protective layer preventing damage from outside

• C. To synthesize proteins

• D. To make a new cell