Enzyme/Macros

Which answer choice correctly lists the 6 elements of life?

• C, H, O, N, P, S

• Ca, C, O, He, P, S

• K, C, H, Ba, Au, N

• N, C, H, K, S, F

What are the four macromolecules?

• proteins, nucleic acids, carbohydrates, and lipids
• monosaccharides, lipids, polysaccaharides, and proteins
• RNA, DNA, proteins, and carbohydrates
• proteins, DNA, RNA, and steroids

Enzymes are composed of which of the following monomers? 

• amino acids
• proteins
• nucleotides
• monosaccharides

What is the primary role of enzymes inside of living cells? 

• store genetic information
• store energy
• they help fight infections
• speed up chemical reactions 

Enzymes speed up the rate of chemical reactions by.....

• giving you extra oxygen.

• absorbing water released when polymers are formed.

• lowering the activation energy.

• combining with excess hydrogen to form a gas.

Enzymes need certain environmental conditions in order to function properly.  What happens when enzymes are heated to a high temperature?

• they die
• they denature
• they change their amino acid sequence
• they work better

DNA and RNA are examples of 

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Monosaccharides are monomers of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

What is the function of nucleic acids?

• store genetic information
• store energy (long-term)
• store energy (short-term)
• build skin, hair, nails, muscles

The most important element that is the backbone of all biological molecules

• carbon
• nitrogen
• phosphorus
• sulfur