Biology Chapter 7 Test- Cells

Plasma membranes are selectively permeable. This means

• anything can pass in and out

• the membrane regulates the passage of the material in and out of the cell

• glucose cannot enter the cell

• cholesterol cannot enter

Tags

NGSS.MS-LS1-2

The cholesterol associated with membranes

• (a) is attached to proteins and extends into the environment surrounding the cell

• (b) helps stabilize the membrane at body temperature

• (c) is an abnormality resulting from a diet high in cholesterol

• both a and c

The fluid mosaic model describes a membrane consisting of

• (a) a phospholipid bilayer with embedded proteins

• (b) 2 layers of proteins

• (c) individual proteins and phospholipids that can drift

• both a and c

The function of the plasma membrane is....

• regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• make sure each cell reproduces 
• make sure each cell can move

The majority of the plasma membrane is composed of ______.

• phospholipids

• proteins

• carbohydrates

• cholesterol

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

What are the two types of cells?

• Prokaryotic & Eukaryotic

• Bacteria & Eukaryotic

• Eukaryotic

• Animal & Plant

Tags

NGSS.MS-LS1-1

Which of the following is not under the Cell Theory?

• Cells are the basic unit of life

• All organisms are made up of cells

• Cells came from other cells

• A cell is an indestructible particle

Tags

NGSS.MS-LS1-1

Which organelle is responsible for the production of ribosomes?

• Nucleolus

• Nucleus

• Rough ER

• Golgi Apparatus

Which organelle is responsible for the removal of waste and foreign particles?

• Plasma Membrane

• Lysosomes

• Peroxisomes

• Mitochondrion

Tags

NGSS.MS-LS1-2

What type of cell has a nucleus? 

• eukaryotic
• prokaryotic