Unit 3 Review

Passive transport is the movement of molecules from an area of _____ concentration to an area of _____ concentration.

• high to low

• low to high

• there is no such thing as passive transport

• osmosis to endocytosis

Osmosis is the movement of ________ across the cell membrane.

• protein

• carbohydrates

• water

• active transport

What is the monomer (building block) of a protein?

• monosaccharide

• amino acid

• glycerol & fatty acid

• nucleotides

What biomolecule makes up the double layer of our cell membrane?

• protein

• carbohydrates

• nucleic acids

• lipids

During the cell cycle, what is the name of the phase where the DNA is doubled?

• G1

• S

• G2

• Mitosis

A lot happens during G2. Click on the one thing that does NOT happen during G2.

• controls the repair of damaged DNA

• at the end of G2 is a checkpoint

• the chromatin condense

• it is just before mitosis begins

What is the name of the part of the cell cycle where the cell is actively dividing and becoming 2 daughter cells.

• interphase

• G2

• mitosis

• G1

Name the phase where the spindle fibers move the chromosomes to the center, or middle, of the cell, where the last checkpoint is, and the checkpoint is at the spindle fibers' attachment on the chromosomes.

• metaphase

• interphase

• telophase

• cytokinesis

What is the most important contribution DNA makes?

• nucleic acids

• nucleotides

• information

• cell division

What is this an illustration of?

• Mitosis

• DNA

• RNA

• cytokinesis