IB Biology Topic 2.1 & 2.3

Which substance plays a major role in most of the chemical reactions that occur in a living cell?

• water
• glycogen
• glycerol
• maltose

Tags

NGSS.HS-LS1-7

The image below shows a polymer of glucose molecules. What type of macromolecule is this?

• carbohydrate
• protein
• lipid
• nucleic acid

What type of macromolecule is shown in the image below?

• Carbohydrate
• Nucleic Acid
• Fatty Acid
• Protein

Tags

NGSS.HS-LS1-1

An unknown molecule contains a sugar and a phosphate group. It is likely what?

• carbohydrate
• protein
• lipid
• nucleic acid

Larger polymers are formed when monomers are joined together by a _______ reaction.

• dehydration synthesis
• digestion
• hydrolysis
• redox

What is the monomer of proteins?

• monosaccharides
• amino acids
• phospholipids
• nucleotide

Tags

NGSS.HS-LS1-6

What is the ratio carbon:hydrogen:oxygen in carbohydrates?

• 1:1:1
• 1:2:1
• 2:1:1
• 2:1:2

Which of the macromolecules contain nitrogen?

• proteins only
• nucleic acids only
• proteins and lipids
• nucleic acids and proteins

What is the function of fats for living organisms?

• short term energy storage
• store hereditary information
• long term energy storage
• catalyze metabolic reactions

Identify the macromolecule in the image below.

• carbohydrate
• nucleic acid
• protein
• lipid

Tags

NGSS.HS-LS1-6

NGSS.HS-LS1-1