Chem and Bio Review for Anatomy

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

Nucleic acids are one of the four major macromolecules.  The main functions of nucleic acids are to

• store and transport energy and structural components in the cell.
• act as enzymes, cell signals, and structural support for the cell.
• carry genetic material and create structures inside the cell.
• aid in development, the immune system, and blood clotting.

Protein molecules are composed of long chains of __________ .

• ribosomes
• RNA
• amino acids
• DNA

The major macromolecules of life are:

• lipids, proteins, carbohydrates, nucleic acids
• nucleic acid and water
• lipids and fats
• DNA

Which has a pH below 7?

• Acid
• Base

What is the pH of water?

• 0
• 4
• 7
• 14

What is the pH range of a base?

• 0-6.9
• 7.1-14
• 0-14
• 7

What is the main biological function of carbohydrates?

• Store energy

• Contain genetic information

• Make up enzymes

• Make you fat

Speed up chemical reactions

• catalysts

• hormones

• salts

• acids