L7-DBIOCHEC-NU-2425

Open Ended

What daily activities do you perform at school and at home that require energy, and how do you think your body generates the energy needed for these tasks

Open Ended

What types of food do you think provide the best sources of energy for your daily activities?

Open Ended

How do you think physical activity at school affects your overall energy levels throughout the day?

REVIEW

Multiple Choice

What is the primary purpose of metabolism in the body?

• The primary purpose of metabolism is to convert food into energy and support cellular functions.
• To store excess energy as fat.
• To break down proteins into amino acids.
• To regulate body temperature.

Multiple Choice

Classify this activity whether catabolism or anabolism: Synthesis of Proteins from amino acids

• Catabolism

• Anabolism

Multiple Choice

Classify this activity whether catabolism or anabolism: formation of TAG from fatty acids

• Catabolism

• Anabolism

Multiple Choice

Classify this activity whether catabolism or anabolism: Hydrolysis of Polysaccharide from Monosaccharide

• Catabolism

• Anabolism

Multiple Choice

Classify this activity whether catabolism or anabolism: formation of nucleic acids from nucleotides

• Catabolism

• Anabolism

Fill in the Blanks

Which organelle is primarily responsible for energy production in cells? (all letters must be in lowercase)

Multiple Choice

Which of the following nucleotide-containing compounds is crucial for oxidation-reduction reactions in metabolism?

• ATP
• FAD
• cAMP
• NAD+

Multiple Choice

How is NADH produced during metabolic processes?

• NADH is produced during glycolysis, the citric acid cycle, and fatty acid oxidation.
• NADH is generated exclusively in the electron transport chain.
• NADH is produced only during photosynthesis.
• NADH is synthesized during protein synthesis.

Multiple Choice

How does ATP release energy for cellular processes?

• ATP releases energy by hydrolyzing its phosphate bonds.
• ATP releases energy by converting to DNA.
• ATP releases energy through the formation of new bonds.
• ATP releases energy by binding to glucose molecules.

Multiple Choice

What is the primary function of phosphate compounds in metabolism?

• Structural support in cells.
• Transport of oxygen in the blood.
• Synthesis of proteins in the body.
• Energy transfer and storage in metabolism.

Multiple Choice

What is the main purpose of photosynthesis in plants?

• The main purpose of photosynthesis in plants is to produce food (glucose) and oxygen.
• To produce carbon dioxide for respiration.
• To provide shade for other plants.
• To absorb water and nutrients from the soil.

Multiple Choice

Which of the following is a reactant in the process of photosynthesis?

• Nitrogen (N2)

• Carbon dioxide (CO2) and water (H2O)

• Oxygen (O2)
• Glucose (C6H12O6)

Multiple Choice

In which part of the plant cell does photosynthesis occur?

• Nucleus

• Cell membrane
• Chloroplasts

• Mitochondria

Multiple Choice

Which of the following best represents the overall equation for photosynthesis?

• 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂

• C₆H₁₂O₆ + O₂ → 6CO₂ + 6H₂O

• 6O₂ + C₆H₁₂O₆ → 6CO₂ + ATP

• CO₂ + O₂ → Glucose + Water

Multiple Choice

During which stage of photosynthesis is oxygen produced?

• Calvin cycle
• Light-independent reactions
• Photorespiration
• Light-dependent reactions

Multiple Choice

What is the primary purpose of the light-dependent reactions in photosynthesis?

• To convert light energy into chemical energy (ATP and NADPH).
• To store energy in the form of glucose.
• To release oxygen as a waste product.
• To absorb carbon dioxide for photosynthesis.

Multiple Choice

Where do the light-independent reactions (Calvin Cycle) take place in the chloroplast?

• Stroma
• Outer membrane of the chloroplast
• Chlorophyll molecules
• Thylakoid membrane

Multiple Choice

Which of the following is true about the products of the light-dependent reactions?

• The products include glucose and carbon dioxide.
• The products are water and carbon monoxide.
• The products are only ATP and NADPH.
• The products include ATP, NADPH, and oxygen.

Multiple Choice

Which process breaks down carbohydrates into glucose before metabolism?

• Digestion
• Photosynthesis
• Respiration
• Fermentation

Multiple Choice

The process of breaking down proteins into amino acids before metabolism is called:

• Protein denaturation
• Proteolysis
• Amino acid synthesis
• Peptide bond formation

Multiple Choice

Which process is the main source of ATP production in aerobic conditions?

• Fermentation
• Oxidative phosphorylation
• Substrate-level phosphorylation
• Glycolysis

Multiple Choice

During which stage of cellular respiration is the majority of ATP produced?

• ETC

• Glycolysis
• Citric acid cycle
• Fermentation

Multiple Choice

How many net ATP molecules are produced during glycolysis from one molecule of glucose?

• 4 ATP
• 1 ATP
• 2 ATP
• 3 ATP

Multiple Choice

During the Citric Acid Cycle (Krebs Cycle), how many ATP (or equivalent GTP) molecules are produced per cycle for one molecule of glucose?

• 2 ATP equivalents
• 10 ATP equivalents
• 15 ATP equivalents
• 20 ATP equivalents

Multiple Choice

How many total (gross) ATP molecules are generated from one molecule of glucose after the complete breakdown (glycolysis, citric acid cycle, and ETC) in aerobic respiration?

• 36
• 24
• 38

• 28