CHAPTER 1

Why is it unlikely that two neighboring water molecules would be arranged like this?

What would be the effect on the properties of the water molecule if oxygen and hydrogen had equal electronegativity?

Water molecules would be ___________

Which ONE of the following is non reducing sugar?

• Galactose

• Maltose

• Sucrose

• Lactose

β-1,4 glycosidic linkage is new bond formed between two monomers in lactose.

• Yes

• No

Give ONE structural difference between phospholipid and triglyceride.

Are lipids considered to be macromolecules or polymers ?

• Yes

• No

Why lipids are not considered to be macromolecules or polymers?

• Because lipids consist of short chain

• Because lipids do not consist of monomer

• Because lipids are monomer

• Because lipids cannot undergo condensation

Are keratin is to be functional in this level structure?

• Yes

• No

Extreme pH causes the breakage of

• Hydrogen bond

• Disulfide bridge

• Ionic bond

• Hydrophobic interactions & Van der Waals interactions

Nitrogenous bases that classified into pyrimidine bases are

• Cytosine

• Adenine

• Guanine

• Uracil