Units 1-4 Test Review

What is the function of the vacuole?

• to take up space

• to store wastes and water

• to store our DNA

• to make proteins

What does the chloroplast do for plants?

• allows them to change color with the seasons

• to allow them to make proteins

• to allow them to make their own food

• to allow them to replicate their DNA

Which of the following determines the function of a specialized cell?

• the way it was developed

• the active genes in the cell

• temperature

• what type of organism the cell develops in

What happens during cell differentiation?

• different parts of the genes are activated to create different shapes and functions

• the cells mutate into different cells

• different parts of the genes are deleted which causes strange cell shapes

• the cells do not undergo differentiation, DNA does

What is the function of a red blood cell?

• to travel through the body

• to carry nucleic acids throughout the body

• to carry oxygen throughout the body

• to carry electrical impulses through the body

ATP is required to make the acids needed in the stomach for digestion. The ATP helps move large molecules from the blood (low concentration) to the stomach lining (high concentration). What type of cell transport is this?

• passive

• osmosis

• diffusion

• active

Placing a wilted leave into water will have it inflate again. What is happening during this process?

• diffusion allows water to move into the leaf

• active transport moves water out of the leaf

• active transport allows water to move into the leaf

• osmosis allows water to move into the wilted leaf

A freshwater plant is placed in the ocean. What will most likely happen to the cells of this plant?

• the cells will swell

• the cells will shrink

• the cells will explode

• the cells will reach equilibrium

ATP is being rapidly consumed in the membrane near a protein. What type of transport is most likely occurring?

• passive

• active

• diffusion

• osmosis

Molecules moving from high to low are taking part in _________ transport.

• passive

• active