EOC biology pre-test

Which macromolecule is shown?

• lipid
• protein
• nucleic acid
• carbohydrate

What is the function of carbohydrates?

• store genetic information
• store energy (long-term)
• store energy (short-term)
• build skin, hair, nails, muscles

Carbohydrates are made of... 

• C H O
• C H O N
• C H O N P
• C H O N S

Which organelle uses energy from sunlight to make sugar?

• mitochondria
• nucleus
• chloroplasts
• vacuoles

I make proteins for the cell! What am I?

• mitochondria
• nucleus
• ribosome
• chloroplast

Sac within the cytoplasm that is full of fluid; plants have one large; stores food, water, etc.

• vacuole
• cell wall
• lysosome
• ribosome

Which word is NOT correctly paired to its definition?

• homeostasis - balance between sides
• equilibrium - equal on both sides
• passive transport - does not use energy
• active transport - flows from high to low

What is the definition of  Selective Permeability?

• The movement of materials across the cell membrane that requires NO ENERGY from the cell.
  
• The movement of materials through (or across) the cell membrane
  
• The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
• The movement of molecules from an area of high concentration to a area of low concentration 
  

The diffusion of water through a semi-permeable membrane is called?

• Osmosis
• Cell wall
• Diffusion
• Respiration

Which characteristic is most likely true for enzymes in the human body?

• They are very substrate specific.
• They are consumed during a chemical reaction.
• Their shape does not matter.
• They increase activation energy.