AP Biology; Review #1

Which macromolecule(s) have nitrogen?

• Carbohydrates

• Proteins

• Nucleic Acids

• Nucleic Acids & Proteins

Which macromolecule(s) have sulfur?

• Carbohydrates

• Proteins

• Nucleic Acids

• Fats

Describes the forming of a bond between monomers with the removal of a water molecule.

• Hydrolysis

• Dehydration

Describes the breaking of a bond within a polymer using water.

• Hydrolysis

• Dehydration

Which of the following is NOT in the monomer of a nucleic acid?

• pentose sugar

• nitrogenous base

• phosphate

• amino acid

Describe the orientation of the phospholipids in the membrane.

• Phospholipids orient in bilayer with hydrophilic heads on exterior

• Phospholipids orient in monolayer with hydrophilic head on extracellular

• Phospholipids orient in bilayer with hydrophobic tails on exterior

• Phospholipids orient in monolayer with hydrophobic tails on extracellular

Identify the pairing and number of bonds in DNA double helix

• A pairs with T (2 bonds) & G pairs with C (3 bonds)

• A pairs with G (2 bonds) & T pairs with C (3 bonds)

• A pairs with T (3 bonds) & G pairs with C (2 bonds)

• A pairs with G (3 bonds) & T pairs with C (2 bonds)

Which protein involves R group bonding to form the final three dimensional structure?

• primary

• secondary

• tertiary

• quaternary

HS-PS1-2 A water (H₂O) molecule is made up of ___ atoms.

• 4

• 3

• 2

• 1

Answer explanation

An atom is the smallest unit of matter that retains all of the characteristics of an element.

Tags

NGSS.MS-PS1-1

What is the molecule illustrated in the figure below?

• a trans polyunsaturated triacylglyceride
• a steroid similar to cholesterol
• a saturated fatty acid
• an unsaturated fatty acid

Tags

NGSS.HS-PS1-2