Midterm Review

Which biomolecule is a main source of quick energy?

• Nucleic Acid
• Protein
• Lipid
• Carbohydrate

Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 

• Proteins
• Nucleic Acid
• Lipids
• Carbohydrate

What is the function of a nucleic acid?

• Stores genetic information
• Stores energy
• Quick source of energy
• Builds structures

Which biomolecule is responsible for insulation and energy storage?

• Protein
• Nucleic Acid
• Lipid
• Carbohydrate

Which biomolecule has sugars and starches?

• Lipids
• Proteins
• Carbohydrates
• Nucleic Acid

_______ regulates what enters and leaves a cell.  

• Cell Membrane
• Nucleus
• Mitochondria
• Cytoplasm

What is diffusion?

• The movement of particles from low conc. to high conc. in a given space
• The movement of particles from high conc. to low conc. in a given space

Which type of passive transport uses proteins to help molecules pass through the membrane?

• Diffusion
• Facilitated diffusion
• Osmosis
• All of the above

Bacteria is what kind of cell?

• Eukaryotic
• Prokaryotic

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.
• The grasshoppers will decrease.
• The eagles will remain the same.
• The grasshoppers will increase.