What is the main function of lipids?

Long-term energy storage, insulation, cell membranes.

What is the main function of proteins?

Enzymes (speed reactions), building muscle, structure.

What is the function of nucleic acids?

Transmission and storage of genetic information.

How do viruses reproduce?

Use host cell machinery to make copies of themselves.

How do viruses compare to human cells?

Much smaller, lack organelles, and cannot make their own energy.

What is the chemical equation for photosynthesis?

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂.

What is the chemical equation for cellular respiration?

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP.

Where does cellular respiration occur?

In the mitochondria of animals AND some plants.

How are photosynthesis and respiration connected?

The products of one are the reactants of the other.

What is the function of enzymes?

Speed up chemical reactions by lowering activation energy.

What is the active site of an enzyme?

The region where the substrate binds.

What does catalase break down?

Hydrogen peroxide into water and oxygen.

What does lactase break down?

Lactose into glucose and galactose.

What happens when enzymes denature?

Their shape changes due to environmental changes (temperature or pH), and they lose function.

How are the energy inputs and outputs of photosynthesis and cellular respiration connected?

Photosynthesis uses light energy to make chemical energy (glucose) . Cellular respiration breaks down chemical energy (glucose) to release ATP (usable chemical energy) . The products of one are the reactants of the other, forming a cycle.

Biology CBA Review 25-26 Flashcards

Student preview

37 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the definition of a monomer?

Back

A single building block of a biomolecule.

2.

FLASHCARD QUESTION

Front

What is the definition of a polymer?

Back

A large molecule made of repeating monomers.

3.

FLASHCARD QUESTION

Front

What is the monomer of carbohydrates?

Back

Monosaccharides (simple sugars like glucose).

4.

FLASHCARD QUESTION

Front

What is the polymer of carbohydrates?

Back

Polysaccharides (starch, glycogen, cellulose).

5.

FLASHCARD QUESTION

Front

What is the main function of carbohydrates?

Back

Quick energy.

6.

FLASHCARD QUESTION

Front

What is the monomer of lipids?

Back

Glycerol + fatty acids.

7.

FLASHCARD QUESTION

Front

What is the polymer of lipids?

Back

Triglycerides, phospholipids.

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