Homeostasis End of Unit Knowledge Check

The cell membrane is _______________ permeable.

• selectively

• somewhat

• physically

• ionically

Tags

NGSS.MS-LS1-2

The cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration is called

• Osmosis
• Simple Diffusion
• Active Transport
• Passive Transport 

Osmosis is the diffusion of __________.

• water
• glucose
• air
• passive transport

Passive transport requires no

• concentration gradients
• osmosis
• motion
• energy

Tags

NGSS.MS-LS2-3

Large molecules and waste are released by the cell through

• Endocytosis

• Exocytosis

• Passive transport

• Phagocytosis

Which statement best describes the cell membrane?

• The protective outer layer that controls what enters and leaves the cell.
  
• Stores information on DNA molecules / Directs and controls the activities of the cell.
  
• A folded membrane that moves materials around inside cells / Also acts as the site of manufacturing materials needed by the cell.
  
• The smallest organelle with a huge job / Makes proteins, which are the building blocks of the body.
  

Tags

NGSS.MS-LS1-2

What is a function of carbohydrates?

• To provide energy to living organisms

• The provide the structure in muscles

• Providing insulation

• Storing your genetic information

Tags

NGSS.MS-LS1-7

What does organic mean (in science)?

• It costs more at the grocery store

• It contains carbon

• It is made of many individual parts

• It produces energy

Tags

NGSS.HS-LS1-6

Which of the following is a carbohydrate?

• DNA

• Protein

• Sugars

• Fats

Which biomolecule is made of amino acids?

• Nucleic Acid
• Carbohydrate
• Protein
• Lipid

Tags

NGSS.MS-LS3-1