Biomolecules and Enzymes

What is the primary function of carbohydrates in living organisms?

• Source of energy

• Regulating body temperature

• Storing genetic information

• Building cell walls

Tags

NGSS.MS-LS1-6

What are the building blocks of proteins?

• Fatty acids

• Carbohydrates

• Amino acids

• Nucleotides

Tags

NGSS.HS-LS1-6

NGSS.HS-LS1-1

What is the role of nucleic acids in the cell?

• Produce energy for the cell

• Facilitate protein synthesis

• Store and transmit genetic information

• Regulate cell division

Tags

NGSS.HS-LS1-6

Explain the lock and key model of enzyme-substrate interaction.

• The lock and key model is a metaphor for how enzymes and substrates physically fit together like a lock and key.

• The lock and key model describes the specific interaction between an enzyme and its substrate.

• The lock and key model suggests that enzymes can bind to any substrate regardless of shape or size.

• The lock and key model proposes that enzymes change shape to accommodate the substrate, like a flexible lock.

What is the function of an enzyme in a biological system?

• Speed up chemical reactions

• Slow down chemical reactions

• Create energy in the cell

• Store genetic information

How does temperature affect enzyme activity?

• Temperature has no effect on enzyme activity

• Temperature can either increase or decrease enzyme activity depending on the specific enzyme and temperature range.

• Enzyme activity always increases with temperature

• Enzyme activity always decreases with temperature

What is the effect of pH on enzyme function?

• Enzyme function decreases with lower pH levels

• Changes in pH can alter the enzyme's shape and charge, affecting its ability to bind to the substrate.

• Enzyme function increases with higher pH levels

• pH has no effect on enzyme function

Explain the concept of enzyme specificity.

• Enzyme specificity refers to the ability of an enzyme to recognize and bind to any substrate

• Enzyme specificity means an enzyme can catalyze multiple different reactions

• Enzyme specificity refers to the ability of an enzyme to recognize and bind to a specific substrate, and catalyze a specific reaction.

• Enzyme specificity is the ability of an enzyme to only bind to one specific product

What is the role of lipids in the human body?

• Provide structure to cell membranes

• Act as enzymes to speed up chemical reactions

• Store and transmit genetic information

• Regulate body temperature

How does substrate concentration affect enzyme activity?

• Substrate concentration has no effect on enzyme activity

• Enzyme activity decreases with increasing substrate concentration

• Enzyme activity increases with increasing substrate concentration until it reaches a maximum rate

• Enzyme activity always increases with substrate concentration