Biologically Important Atoms

Question 1

Starch (amylose)

Answer 1

• made of sugar/glucose and C,H,O
• water soluble
• alpha 1,4 linkage
• stored for energy

Question 2

Cellulose

Answer 2

• made of sugar/glucose and C,H,O
• non soluble
• beta 1,4 linkage
• structure; cell walls

Question 3

triglycerides

Answer 3

• made of protein fatty acids and C,H,O
• non soluble
• ester linkage
• stored for energy

Question 4

Phospholipids

Answer 4

• made of protein steroids and sterols and C,H,O
• amphipathic
• ester linkage
• structure

Question 5

Protein

Answer 5

• made of amino acids and C,H,O,N,S
• water soluble
• peptide bonds (covalent)
• storage, enzymes, gene regulation, and transport

Question 6

Nucleic acid

Answer 6

• made of nucleotides and C,H,O,N,P
• water soluble
• phosphodiester linkage for genetic info
• H-bonds to carry energy