SCI 221 Final exam 2025/2026 Actual Complete Real Exam
Questions & Correct Answers (Verified Answers) | Already
Graded A+ | Newest Exam / Just Released!!
Which energy-releasing or energy-transferring molecule
does not contain a
nucleotide? - ANSWER-Creatine
phosphate
Which lipid is part of vitamin D? - ANSWER-Prostaglandins
Which level of protein structure refers to the number, kind,
and sequence of
amino acids? - ANSWER-
Primary
If one side of a DNA molecule is CTAGGCTG, the other
side would be: -
ANSWER-
GATCCGAC.
,The amino group in an amino acid is: - ANSWER-NH3+
The term glycoprotein, a combination of two words, tells you
that the compound
is made of _____, with _____ being the dominant
component. - ANSWER-
carbohydrate and protein;
protein
The element that is present in all proteins but not in
carbohydrates is: -
ANSWER-
nitrogen
Which of the following is not one of the major groups of
organic substances in
the human body? -
ANSWER-Salts
A _____ is a functional group that is temporarily
unattached and is highly
reactive because of unpaired electrons. -
ANSWER-free radical
, The basic building blocks of fats are: - ANSWER-fatty acids
and glycerol
Which of the following is not true of both triglycerides and
phospholipids? -
ANSWER-They both contain a hydrophobic and
hydrophilic end.
The types of lipids found that form hormones, such as
cortisone, estrogen, and
testosterone are: - ANSWER-
steroids.
Which lipid acts as a "tissue hormone"? - ANSWER-
Prostaglandin
Prostaglandins and steroids share which of the following
characteristics? -
ANSWER-Both have a ring structure in their
molecule.
NaCl would move through the cell membrane in which
direction? - ANSWER-
Questions & Correct Answers (Verified Answers) | Already
Graded A+ | Newest Exam / Just Released!!
Which energy-releasing or energy-transferring molecule
does not contain a
nucleotide? - ANSWER-Creatine
phosphate
Which lipid is part of vitamin D? - ANSWER-Prostaglandins
Which level of protein structure refers to the number, kind,
and sequence of
amino acids? - ANSWER-
Primary
If one side of a DNA molecule is CTAGGCTG, the other
side would be: -
ANSWER-
GATCCGAC.
,The amino group in an amino acid is: - ANSWER-NH3+
The term glycoprotein, a combination of two words, tells you
that the compound
is made of _____, with _____ being the dominant
component. - ANSWER-
carbohydrate and protein;
protein
The element that is present in all proteins but not in
carbohydrates is: -
ANSWER-
nitrogen
Which of the following is not one of the major groups of
organic substances in
the human body? -
ANSWER-Salts
A _____ is a functional group that is temporarily
unattached and is highly
reactive because of unpaired electrons. -
ANSWER-free radical
, The basic building blocks of fats are: - ANSWER-fatty acids
and glycerol
Which of the following is not true of both triglycerides and
phospholipids? -
ANSWER-They both contain a hydrophobic and
hydrophilic end.
The types of lipids found that form hormones, such as
cortisone, estrogen, and
testosterone are: - ANSWER-
steroids.
Which lipid acts as a "tissue hormone"? - ANSWER-
Prostaglandin
Prostaglandins and steroids share which of the following
characteristics? -
ANSWER-Both have a ring structure in their
molecule.
NaCl would move through the cell membrane in which
direction? - ANSWER-
