IB Biology Topic 1

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

• I and II only

• II and III only

• I and III only

• I, II, and III

Tags

NGSS.HS-PS1-1

Which described these molecules correctly?

• ribose II: amino acid

• glucose II: amino acid

• ribose II: fatty acid

• 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.

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

The ability for water to form bonds with other polar molecules is called ________.

Tags

NGSS.HS-ESS2-5

The ability for water molecules to form bonds with itself is called _____________.

More than one double bond

• Monounsaturated fatty acid

• Unsaturated fatty acid

• Polyunsaturated fatty acid

• Polysaccharides

Branched, globular starch

• Amylopectin

• Glycogen

• Amylose

• Monosaccharides