BIO 117 LECTURE 3 AND 4 TEST QUESTIONS & CORRECT ANSWERS GRADED A+

BIO 117 LECTURE 3 AND 4 TEST
QUESTIONS & CORRECT ANSWERS
GRADED A+

Organic molecules contain what three elements? - correct answer ✔✔Carbon, Oxygen, and
Hydrogen



Carbohydrates are mainly used for what? - correct answer ✔✔Energy



What are the building blocks for carbohydrates? - correct answer ✔✔monosaccharides



Two monosaccharides joined together are? - correct answer ✔✔Disaccharides



What are some monosaccharides (5)? - correct answer ✔✔Glucose

Fructose

Galactose

Deoxyribose

Ribose



What are some disaccharides? (3) - correct answer ✔✔Sucrose (glycose + fructose)

Lactose (glucose + galactose)

Maltose (glucose + glucose)



What are many monosaccharides called - correct answer ✔✔polysaccharides

, What polysaccharide is formed in humans? - correct answer ✔✔Glycogen



What two polysaccharides are in plants? - correct answer ✔✔Starch

Cellulose



Triglycerides do what? - correct answer ✔✔store energy



Phospholipids do what? - correct answer ✔✔makeup cell membranes



Steroids do what? - correct answer ✔✔Form cholesterol (Hormones)



What are the building blocks to lipids? - correct answer ✔✔Fatty acids



Proteins are used for what? - correct answer ✔✔Structure



What are the building blocks of proteins? - correct answer ✔✔amino acids



What are peptide bonds? - correct answer ✔✔bonds that connect amino acids in protein



Why are essential amino acids essential? - correct answer ✔✔our body can't make them and

must them from our diet



Why are non-essential amino acids non-essential? - correct answer ✔✔Our body can make their
own and don't need from out diet



What do we use nucleic acids for? - correct answer ✔✔Storing information