IB Biology Carbohydrates and Lipids

A polymer of alpha-D-glucose found in plants has mostly 1,4 linkages and some 1,6 linkages. Which molecule fits this description?

• glycogen

• cellulose

• amylose

• amylopectin

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

The diagram shows the structure of palmitic acid. What type of fatty acid is palmitic acid?

• it is monosaturated

• it is polyunsaturated

• it is saturated

• it is a trans-fatty acid

Tags

NGSS.HS-PS1-2

What is a role of cholesterol in animal cells?

• it increases body fat

• it controls membrane fluidity

• it lines the inner wall of capillaries

• it is a constituent of bile

Which molecule diagram corresponds to the name?

• 
• 
• 
• 

Tags

NGSS.HS-LS1-6

Which molecule is a sugar?

• 
• 
• 
• 

What molecule is a polysaccharide?

• glucagon

• glycose

• glycerol

• glycogen

Which substance is used for structure in plants?

• amylopectin

• cellulose

• collagen

• starch

That is the maximum number of fatty acids that can be condensed with glycerol?

• one

• two

• three

• four

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