Biochemistry: Hydrogen Bonds and Biomolecules Quiz

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What type of bonds are formed between the hydroxyl group of an alcohol and water?

Covalent bonds

Hydrogen bonds (correct)

Ionic bonds

Van der Waals interactions

What is the main factor behind protein folding and protein-protein association?

The hydrophobic effect (correct)

Van der Waals interactions

Ionic interactions

Hydrogen bonds

Why does ice float on water?

Ice has a lower entropy than liquid water

Ice has a higher density than liquid water

Ice forms a regular lattice with low entropy (correct)

Ice contains hydrogen bonds that push it up

What type of interaction dominates at very short distances in van der Waals interactions?

Repulsive force Signup and view all the answers

What is the source of the unique properties of water?

Hydrogen bonds with non-polar substances Signup and view all the answers

What is one of the main factors behind the binding of steroid hormones to their receptors?

The hydrophobic effect driving association Signup and view all the answers

Which of the following properties primarily depends on the chemical nature of the solute?

Viscosity Signup and view all the answers

What is the primary driving force behind the formation of micelles from lipid molecules in water?

The hydrophobic effect Signup and view all the answers

What property of water allows for the dissolution of polar molecules like ammonia and hydrogen sulfide?

The presence of partial charges (dipoles) in water molecules Signup and view all the answers

According to the equation $\Pi = iRT(c)$, what factor affects the osmotic pressure of a solution?

All of the above Signup and view all the answers

In the context of enzyme binding sites, what property of water contributes to the binding of hydrophobic substrates and ligands?

The formation of ordered water cages around hydrophobic molecules Signup and view all the answers

Which of the following statements best describes the role of the hydrophobic effect in drug design?

Many drugs are designed to take advantage of the hydrophobic effect by incorporating hydrophobic moieties that can bind to hydrophobic sites in targets. Signup and view all the answers

Biochemistry: Hydrogen Bonds and Biomolecules Quiz

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Questions and Answers

What type of bonds are formed between the hydroxyl group of an alcohol and water?

What is the main factor behind protein folding and protein-protein association?

Why does ice float on water?

What type of interaction dominates at very short distances in van der Waals interactions?

What is the source of the unique properties of water?

What is one of the main factors behind the binding of steroid hormones to their receptors?

Which of the following properties primarily depends on the chemical nature of the solute?

What is the primary driving force behind the formation of micelles from lipid molecules in water?

What property of water allows for the dissolution of polar molecules like ammonia and hydrogen sulfide?

According to the equation $\Pi = iRT(c)$, what factor affects the osmotic pressure of a solution?

In the context of enzyme binding sites, what property of water contributes to the binding of hydrophobic substrates and ligands?

Which of the following statements best describes the role of the hydrophobic effect in drug design?

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