BIOL 1322 Test 3–Questions and Answers | 2026
Update | 100% Correct.
What is the preferred molecule to make ATP?
Carbohydrates
What type of vitamins are A, D, E, and K?
Fat-soluble
What is the first source of energy used during exercise?
Circulating glucose
What is true regarding LDL levels and heart disease risk?
Higher LDL = increased risk
What is an incomplete protein?
A protein that does not contain all nine essential amino acids
Why are trans fats unhealthy?
They damage blood vessels and raise LDL cholesterol
What is lactose classified as?
Disaccharide
How many different amino acids are used in body proteins?
20
What do lipids provide more of than carbohydrates on a gram-for-gram basis?
, Energy
What are functions of omega-3 fatty acids?
Promoting brain growth, heart health, and maintaining a functional immune system
What is the term for combining two monomers?
Dehydration synthesis
What surrounds the central carbon of all amino acids?
A hydrogen, an amino group, a carboxyl group, and a side chain
What are essential macronutrients?
Fats, carbohydrates, and protein
What is the classification of glucose?
Monosaccharide
What is the classification of chitin?
Polysaccharide
What is the classification of cholesterol?
Steroid
What is the classification of triglycerides?
Lipids
What are the two types of fatty acids?
Update | 100% Correct.
What is the preferred molecule to make ATP?
Carbohydrates
What type of vitamins are A, D, E, and K?
Fat-soluble
What is the first source of energy used during exercise?
Circulating glucose
What is true regarding LDL levels and heart disease risk?
Higher LDL = increased risk
What is an incomplete protein?
A protein that does not contain all nine essential amino acids
Why are trans fats unhealthy?
They damage blood vessels and raise LDL cholesterol
What is lactose classified as?
Disaccharide
How many different amino acids are used in body proteins?
20
What do lipids provide more of than carbohydrates on a gram-for-gram basis?
, Energy
What are functions of omega-3 fatty acids?
Promoting brain growth, heart health, and maintaining a functional immune system
What is the term for combining two monomers?
Dehydration synthesis
What surrounds the central carbon of all amino acids?
A hydrogen, an amino group, a carboxyl group, and a side chain
What are essential macronutrients?
Fats, carbohydrates, and protein
What is the classification of glucose?
Monosaccharide
What is the classification of chitin?
Polysaccharide
What is the classification of cholesterol?
Steroid
What is the classification of triglycerides?
Lipids
What are the two types of fatty acids?
