Macromolecules and Cell Respiration (EOC Review)

Kwashiorkor is a severe form of malnutrition caused by a deficiency in ____________.

• protein
• fats
• vitamins
• carbohydrates

Tags

NGSS.MS-LS2-1

A student analyzes a molecule that contains peptide bonds and has a structure that can be denatured by heat. This molecule is most likely a __________.

• nucleic acid
• carbohydrate
• lipid
• protein

A biological molecule contains alternating sugar-phosphate groups with nitrogenous bases attached. This structure represents _______________.

• protein
• lipid
• nucleic acid
• carbohydrate

Tags

NGSS.HS-LS3-1

Which of the following molecular structures is a lipid?

• 
• 
• 
• 

Which of the following macromolecules is INCORRECTLY paired with their monomer?

• Lipids - Fatty acids
• Proteins - Amino Acids

• Carbohydrates - Sugars

• Nucleic acids - Monosaccharide

What are the elements that make-up lipids and carbohydrates?

• Lipids and carbohydrates are both made of carbon, hydrogen, and oxygen.

• Lipids are made of carbon and hydrogen only; carbohydrates are made of oxygen and nitrogen.
• Lipids consist of carbon, oxygen, and phosphorus; carbohydrates consist of carbon and nitrogen.
• Lipids are made of nitrogen and sulfur; carbohydrates are made of carbon and hydrogen.

During a lipid extraction procedure, a student accidentally uses water instead of ethanol as a solvent. Which observation would indicate this mistake?

• A clear solution with no visible layers.
• The lipids will change color.

• A strong odor of ethanol in the mixture.
• The presence of a distinct aqueous layer with undissolved lipids.

A cell needs to quickly access energy for an immediate response. Which macromolecule would be metabolized first?

• Proteins
• Lipids
• Carbohydrates (glucose)
• Nucleic acids

Which function is NOT typically performed by proteins?

• Providing structural support to cells
• Transporting molecules across membranes
• Catalyzing biochemical reactions
• Energy storage

In DNA replication, which molecule serves as the primary energy source for the process?

• Proteins

• Nicotinamide adenine dinucleotide (NAD)
• mRNA

• Adenosine triphosphate (ATP)