Unit 1 Biology Review

If a cell has 46 chromosomes after undergoing mitosis there will be a total of ___ cells each with ____ chromosomes.

• 2,46

• 4,24

• 2,24

• 4,46

Tags

NGSS.HS-LS1-4

The cell membrane is ____.

• selectively permeable

• permeable

• open-ended

• closed circuit

Tags

NGSS.MS-LS1-2

Plays a critical role in cell division.

• Centrioles

• Lysosome

• Nucleus

• Cilia

Tags

NGSS.HS-LS1-4

Makes enzymes

• Smooth ER

• Ribosomes

• Cilia

• Flagella

Tags

NGSS.MS-LS1-2

Creates rRNA for synthesizing ribosomes

• Nucleolus

• Nucleus

• Cilia

• Smooth ER

Contains digestive enzymes for breaking down harmful substances

• Lysosome

• Golgi Apparatus

• Smooth ER

• Ribosome

Moves fluid across the surface of the cell.

• cell wall

• cilia

• flagella

• ribosome

The membrane is composed of several macromolecules, but the structure of the bilayer is mostly attributed to

• nucleic acids

• proteins

• carbohydrates

• phospholipids

Tags

NGSS.MS-LS1-2

Which safety precaution is recommended when a liquid is being heated in a test tube?

• Wear goggles and a laboratory apron.

• Stopper the test tube with a rubber stopper.

• When holding the test tube, keep fingers closest to the open end of the tube.

The independent variable in this experiment is the

• type of tomato plant

• amount of soil provided

• color of tomatoes

• light intensity

Tags

NGSS.MS-LS1-5