Unit 2 Test

Which of the following structures is found in both prokaryotic and eukaryotic cells?

• endoplasmic reticulum

• ribosome

• chloroplast membrane

• nucleus

Which of these inventions led to the discovery of the cell?

• microscope

• calculator

• electricity

• the internet

As a result of diffusion, the concentration of substances...

• will eventually become balanced on both sides of a membrane

• become imbalanced on both sides of a membrane

• always remain greater inside the membrane

• always remain greater outside the membrane

This picture shows what cellular structure?

• centriole

• ribosome

• plasma or cell membrane

• cell wall

What are the structures with the ball shaped heads and two tails turned inward?

• carbohydrate

• cholesterol

• integral protein

• phospholipid

Which organelle helps a cell maintain homeostasis by controlling what is transported in and out of the cell?

• Cell wall

• Cell membrane

• Vacuole

• Mitochondria

Which of these statements is true?

• Prokaryotic cells are much larger than eukaryotic cells

• Prokaryotic cells are slightly larger than eukaryotic cells

• Eukaryotic cells are much larger than prokaryotic cells

• Eukaryotic cells are slightly larger than prokaryotic cells

Which of the following is an example of a prokaryotic cell?

• plant

• bacteria

• animal

• fungi

Which of the following is a difference between prokaryotic and eukaryotic cells?

• Prokaryotes lack cytoplasm

• Prokaryotes do not undergo cell division

• Prokaryotes do not produce proteins

• Prokaryotes do not have membrane-bound organelles

Which process is being used by the cell to move the molecules through the membrane?

• osmosis

• facilitated diffusion

• active transport

• endocytosis