BIOS 251: ANATOMY &
PHYSIOLOGY EXAM QUESTIONS AND
ANSWERS UPDATED (2026/2027)
(VERIFIED ANSWERS)
In an organic reaction, you observe the formation of water from the mixture of
two organic compounds. You may expect this reaction to be a: CORRECT
ANSWER: dehydration reaction
What type of organic molecule would you expect CH3CH2CH2CH2NH2 to be
based on the structural formula? why?
Carboxylic acid
Alcohol
Amine
Ester CORRECT ANSWER: Amine; has a N
If a molecule is made of many small molecules joined together into a large
molecule, I would expect this large molecule to be a: CORRECT ANSWER: polymer
Based on what we have learned in this lesson, which of the following terms
would describe the formation of proteins in the body? Select all that apply.
Dehydration
Hydrolysis
, 2
Polymerization
Catabolism CORRECT ANSWER: dehydration, polymerization
what is the atom most vital for life? CORRECT ANSWER:
carbon
propane, butane, octane, and methane are.. CORRECT ANSWER: hydrocarbons
which are the back bone of organic chemistry
what are key properties of carbon that are vital for the formation of organic
compounds? CORRECT ANSWER: Four valance electrons
The ability to bond to atoms of other elements
The ability to form four bonds
What is a key function of carbohydrates in our bodies? CORRECT ANSWER: Short
term energy
What is the term for the simplest type of carbohydrate CORRECT ANSWER:
monosaccharide
Which of the following molecules is a polysaccharide? Select all that apply.
Amylose
Glucose
Fructose
Starch CORRECT ANSWER: starch, amylose
Which of the following would be considered a simple sugar?
Starch
, 3
Sucrose
Cellulose
Amylose CORRECT ANSWER: sucrose
Which of the following contributes the most to make simple sugars soluble in
water?
the nitrogen bases
the hydroxyl groups
the ketone or aldehyde groups
the linkages CORRECT ANSWER: hydroxyl groups
Which of the following is a use for monosaccharides in our bodies?
long term energy storage
formation of proteins
formation of hair and nails
quick energy CORRECT ANSWER: quick energy
Two monosaccharides are linked together. I would call this Carbohydrate a
CORRECT ANSWER: disaccharide
Which of the following is a key structural function of lipids?
Cell walls
Starch
Hair structure
Cell membranes CORRECT ANSWER: cell
membranes What type of functional group is in
a fatty acid?