IB Biology Topic 1 Review

What type of molecule is shown in this diagram?

• trans saturated fatty acid

• cis unsaturated fatty acid

• cis saturated fatty acid

• trans unsaturated fatty acid

What molecule is a polysaccharide?

• glucagon

• glycose

• glycerol

• glycogen

Which substance is used for structure in plants?

• amylopectin

• cellulose

• collagen

• starch

In which compounds would a double bond link carbon to oxygen (C=O)?

I. amino acid

II. fatty acid

III. glycerol

• I and II only

• II and III only

• I and III only

• I, II, and III

Which described these molecules correctly?

• I: ribose II: amino acid

• I: glucose II: amino acid

• I: ribose II: fatty acid

• I: glucose II: fatty acid

Tags

NGSS.HS-LS1-6

Which is not true about carbohydrates?

• They contain oxygen and hydrogen in a 1:2 ratio.

• They contain carbon, oxygen, and hydrogen.

• They have hydroxyl groups.

• They have carboxyl groups.

Tags

NGSS.HS-LS1-6

Which type of reaction is the breakdown of starch into sugars?

• Denaturation

• Reducation

• Catabolic

• Condensation

Carbohydrates contain the following elements:

• Carbon, Hydrogen, Oxygen

• Carbon, Hydrogen, Nitrogen

• Carbon, Hydrogen, Phosphorous

• Carbon, Oxygen, Nitrogen

Tags

NGSS.HS-LS1-6

Lipids contain the following elements:

• Carbon, Oxygen, Sulfur

• Oxygen, Carbon, Nitrogen

• Carbon, Oxygen, Hydrogen

• Carbon, Nitrogen, Sulfur

Which macromolecule is shown?

• lipid

• protein

• nucleic acid

• carbohydrate