Honors Q1 Midterm

Which is a function of lipids?

• to supply cells with quick–release energy
• to provide the body with insulation
• to store genetic information
• to regulate cell processes

Which organic molecule is paired with its function?

• nucleic acid : to store energy
• proteins : to provide insulation
• lipids : to regulate metabolic processes
• carbohydrate : to provide quick–release energy

Which are the building blocks of most lipid molecules?

• glucose and protein
• glucose and fatty acids
• fatty acids and glycerol
• amino acids and glycerol

Why are enzymes essential to all multicellular organisms?

• They provide insulation.

• They produce living tissue.

• They contain genetic information.

• They speed up metabolic reactions.

Something that maintains pH is called a(n)

• acid

• neutralizer

• hormone

• buffer

Enzymes act as catalysts in biochemical reactions. Which is the enzyme?

• w
• x
• y
• wx

What is facilitated diffusion?

• Transport that uses proteins to help move molecules across the membrane. 
• Movements of substances through a membrane. 
• When molecules spread from High to Low concentration on their own. 
• When pressure pushes something through a membrane. 

Tags

NGSS.MS-LS1-2

This part of the cell controls what comes in and what goes out of the cells

• Mitochondria
• E.R.
• Cell membrane
• Ribosomes

What kind of transport does not require energy?

• Active 
• Vacuole 
• Passive 
• Na/K Pump 

What is something that prokaryotic and eukaryotic cells have in common?

• They have a nucleus. 
• They are multi-cellular. 
• They have DNA. 
• They have organelles that are membrane-bound.