Molecular Biology

Which best describes how organisms obtain energy from food?

• Food (Glucose) reacts with water to release energy during photosynthesis.

• Food (Glucose) reacts with oxygen to release energy (ATP) during cellular respiration.

• Food (Glucose) reacts with sunlight to release energy during photosynthesis.

• Food (Glucose) reacts with carbon dioxide to release energy during cellular respiration.

Which molecule is broken down during cellular respiration to produce energy for plants and animals?

• glucose
• alcohol
• oxygen
• carbon dioxide

Which best explains why some fats are recommended as part of a healthy diet?

• Fats provide the body with the chemicals necessary for controlling the pH of the blood.
• Fats act as a catalyst, reacting with the sugars in fruits and vegetables.
• Fats provide the body and its organs with insulation and protection.

Which best describes the nutrients that are sources of energy for the body?

• fats and proteins

• fats and carbohydrates

• water and carbohydrates

• Calcium and fiber

Fish, nuts, oils and avocado are health sources of....

• Fiber
• Protein
• Minerals
• Fat

Which nutrient helps build and repair muscles, cells and tissues in the body?

• Carbohydrates
• Protein
• Fats
• Minerals

Which nutrient should be consumed after intense workouts or games for recovery of damaged muscle tissue?

• Protein 
• Carbohydrate 
• Fat
• Water

A carbohydrate is a macromolecule that is used to...

• give cells/systems energy.

• build cell parts.

• give cells/systems long term energy storage.

• help cells with chemical processes.

Proteins are made of monomers called ___________

• Nucleotides
• Monosaccharides
• Amino Acids
• Glycerol and fatty acids

Monosaccharides are monomers of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids