1.2 Ultrastructure of Cells

Multiple Select

Where could genes be located in a prokaryotic cell?

• Nucleoid

• Plasmids

• Ribosomes

Multiple Choice

Which structure found in eukaryotes has a single membrane?

• Nucleus

• Lysosome

• Chloroplast

• Mitochondrion

Multiple Choice

Which organelle is involved in generating vesicles destined for the cell membrane?

• Golgi apparatus

• Smooth endoplasmic reticulum

• Rough endoplasmic reticulum

• Lysosome

Multiple Choice

In mammals, mature red blood cells are specialized in that they lack nuclei, mitochondria or ribosomes. Which statement applies to red blood cells?

• No chemical reactions take place within their cytoplasm.

• They cannot produce new enzymes.

• Materials cannot enter red blood cells.

• Materials cannot exit red blood cells.

Multiple Choice

What do chloroplasts and mitochondria have in common?

• Both are found in the cells of Filicinophyta.

• Both contain grana.

• Both occur in all eukaryotic cells.

• Both are found in a Paramecium.

Multiple Choice

Which structures are found only in prokaryotic cells?

• Ribosomes

• Pili

• Cell walls

• Flagella