BIOL 203
BIOL 203 midterm 2 Exam Questions with
Detailed Answers 2025 Graded A+
Compared to a triglyceride molecule, a protein molecule
is comprised of glucose units has three fatty acids attached to glycerol
provides more energy
has nitrogen in its chemical structure -Correct Answer ✔has nitrogen in its
chemical structure
Every amino acid has ? in its chemical structure.
1- iron
2- nitrogen
3- potassium
4- chloride -Correct Answer ✔nitrogen
Proteins
are comprised of amino acids
provide 7 kcal'g
has phosphorus in their chemical structure
are stored as glycogen in the body -Correct Answer ✔are compromised of amino
acids
Which of the following statements is true?
1-The body needs protein to make sodium, calcium, and other mineral elements.
2-The human body normally uses very little protein for energy.
3-Proteins are comprised of smaller chemical units called fatty acids.
4-Proteins are comprised of phosphorus, oxygen, hydrogen, and carbon -Correct
Answer ✔The human body normally uses very little protein for energy
Bernard has been suffering from a viral infection for over a week. As a result of the
illness, he has a fever and has lost his appetite. Based on this information, his body
is in
?? nitrogen balanco.
BIOL 203
,BIOL 203
1-positive
2-negative
3-facilitated
4-deactivated -Correct Answer ✔negative
In canada, newborns receive an injection of ? to prevent ?
1-thiamin: beriberi
2-vitamin C; collagen breakcown
3-vitamin K; bleeding
4-niacin, pellagra -Correct Answer ✔Vitamin K; bleeding
what is added to retined cornmeal during the grain enrichment process.
1-Vitamin B-6
2-Vitamin D
3-choline
4-thiamin -Correct Answer ✔Thiamin
what are polsonous substances produced by certain molds that can cause liver
damage and death.
1-Pathogens
2-Teratogens
3-Chelates
4-Aflatoxins -Correct Answer ✔aflatoxin
Which of the following foods is likely to be a source of Salmonella?
1-Raw chicken
2-Canned applesauce
3-Honey
4-Cooked pork -Correct Answer ✔raw chicken
Which of the following food preservation methods treats the food with a high
amount of energy that destroys the genetic material of pathogens?
1-Irradiating
2-Canning
BIOL 203
, BIOL 203
3-Chilling
4- Drying -Correct Answer ✔irradiating
Which of the following nutrients is a trace mineral?
1-Calcium
2-Phosphorus
3-Potassium
4-zinc -Correct Answer ✔zinc
Which of the following disorders is associated with high sodium intakes?
1-Osteomalacia
2-Hypertension
3-Fluorosis
4-Type 2 diabetes -Correct Answer ✔Hypertension
Weight-bearing exercises can
1- delay the development of diverticulosis
2- strengthen bones
3-increase the bodys metabolism of zine and sulfur
4-reduce the body's need for vitamin C and iron -Correct Answer ✔strengthen
bones
Which of the following foods is not a good source of calcium?
Fat-free yogurt
Canned sardines
Raw kale
Baked chicken -Correct Answer ✔baked chicken
A scientist is creating a formula diet that supplies all essential nutrients. She knows
the RAJAI for each mineral, one of which has an Al of 30 mg/day. How should she
classify this particular mineral?
Possible essential mineral
Trace mineral
Nonessential mineral
BIOL 203
BIOL 203 midterm 2 Exam Questions with
Detailed Answers 2025 Graded A+
Compared to a triglyceride molecule, a protein molecule
is comprised of glucose units has three fatty acids attached to glycerol
provides more energy
has nitrogen in its chemical structure -Correct Answer ✔has nitrogen in its
chemical structure
Every amino acid has ? in its chemical structure.
1- iron
2- nitrogen
3- potassium
4- chloride -Correct Answer ✔nitrogen
Proteins
are comprised of amino acids
provide 7 kcal'g
has phosphorus in their chemical structure
are stored as glycogen in the body -Correct Answer ✔are compromised of amino
acids
Which of the following statements is true?
1-The body needs protein to make sodium, calcium, and other mineral elements.
2-The human body normally uses very little protein for energy.
3-Proteins are comprised of smaller chemical units called fatty acids.
4-Proteins are comprised of phosphorus, oxygen, hydrogen, and carbon -Correct
Answer ✔The human body normally uses very little protein for energy
Bernard has been suffering from a viral infection for over a week. As a result of the
illness, he has a fever and has lost his appetite. Based on this information, his body
is in
?? nitrogen balanco.
BIOL 203
,BIOL 203
1-positive
2-negative
3-facilitated
4-deactivated -Correct Answer ✔negative
In canada, newborns receive an injection of ? to prevent ?
1-thiamin: beriberi
2-vitamin C; collagen breakcown
3-vitamin K; bleeding
4-niacin, pellagra -Correct Answer ✔Vitamin K; bleeding
what is added to retined cornmeal during the grain enrichment process.
1-Vitamin B-6
2-Vitamin D
3-choline
4-thiamin -Correct Answer ✔Thiamin
what are polsonous substances produced by certain molds that can cause liver
damage and death.
1-Pathogens
2-Teratogens
3-Chelates
4-Aflatoxins -Correct Answer ✔aflatoxin
Which of the following foods is likely to be a source of Salmonella?
1-Raw chicken
2-Canned applesauce
3-Honey
4-Cooked pork -Correct Answer ✔raw chicken
Which of the following food preservation methods treats the food with a high
amount of energy that destroys the genetic material of pathogens?
1-Irradiating
2-Canning
BIOL 203
, BIOL 203
3-Chilling
4- Drying -Correct Answer ✔irradiating
Which of the following nutrients is a trace mineral?
1-Calcium
2-Phosphorus
3-Potassium
4-zinc -Correct Answer ✔zinc
Which of the following disorders is associated with high sodium intakes?
1-Osteomalacia
2-Hypertension
3-Fluorosis
4-Type 2 diabetes -Correct Answer ✔Hypertension
Weight-bearing exercises can
1- delay the development of diverticulosis
2- strengthen bones
3-increase the bodys metabolism of zine and sulfur
4-reduce the body's need for vitamin C and iron -Correct Answer ✔strengthen
bones
Which of the following foods is not a good source of calcium?
Fat-free yogurt
Canned sardines
Raw kale
Baked chicken -Correct Answer ✔baked chicken
A scientist is creating a formula diet that supplies all essential nutrients. She knows
the RAJAI for each mineral, one of which has an Al of 30 mg/day. How should she
classify this particular mineral?
Possible essential mineral
Trace mineral
Nonessential mineral
BIOL 203
