1|Page
BIO 180 FINAL EXAM BYUI 2026 ALL
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY A GRADED WITH
EXPERT FEEDBACK |NEW AND REVISED
A certain channel protein in the cell membrane is equally permeable to
both Na+ and K+. Na+ concentrations are high on the outside of the cell
(which is positive), while K+ concentrations are high on the inside of the
cell (which is negative). Assuming equal concentration gradients for
both Na+ and K+, which of the following statements is true regarding
the movement of these ions through this channel? - ANSWER- More
Na+ ions will be transported.
Which of the following types of transport can use the electrochemical
gradient of sodium to move a solute against its concentration gradient? -
ANSWER- Secondary Active Transport
Which of the following membrane activities require energy from ATP
hydrolysis? - ANSWER- Na+ ions moving out of the cell.
Which of the following processes would enable a cell to take in large
quantities of a specific molecules such as LDL cholesterol? - ANSWER-
Phagocytosis
Receptor mediated endocytosis
, 2|Page
A drug designed to inhibit the response of cells to testosterone would
almost certainly result in which of the following? - ANSWER- A
decrease in transcriptional activity of certain genes.
Which type of receptor uses GTP hydrolysis in its mechanism? -
ANSWER- G-protein coupled receptors
An inhibitor of which of the following could be used to block the release
of calcium from the endoplasmic reticulum? - ANSWER- Phospholipase
C
Carbohydrates carry multiple copies of this group. - ANSWER-
Hydroxyl group
Which functional group is the only one with a nitrogen atom? -
ANSWER- Amino
When numbering the carbons in a monosaccharide that is in the ring
form, what do you look for to know where carbon #1 is? - ANSWER-
The anomeric carbon
Fructose forms multiple hydrogen bonds with water. - ANSWER- True
What functional groups are present in a fatty acid? - ANSWER-
Carboxyl, Alkyl
BIO 180 FINAL EXAM BYUI 2026 ALL
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY A GRADED WITH
EXPERT FEEDBACK |NEW AND REVISED
A certain channel protein in the cell membrane is equally permeable to
both Na+ and K+. Na+ concentrations are high on the outside of the cell
(which is positive), while K+ concentrations are high on the inside of the
cell (which is negative). Assuming equal concentration gradients for
both Na+ and K+, which of the following statements is true regarding
the movement of these ions through this channel? - ANSWER- More
Na+ ions will be transported.
Which of the following types of transport can use the electrochemical
gradient of sodium to move a solute against its concentration gradient? -
ANSWER- Secondary Active Transport
Which of the following membrane activities require energy from ATP
hydrolysis? - ANSWER- Na+ ions moving out of the cell.
Which of the following processes would enable a cell to take in large
quantities of a specific molecules such as LDL cholesterol? - ANSWER-
Phagocytosis
Receptor mediated endocytosis
, 2|Page
A drug designed to inhibit the response of cells to testosterone would
almost certainly result in which of the following? - ANSWER- A
decrease in transcriptional activity of certain genes.
Which type of receptor uses GTP hydrolysis in its mechanism? -
ANSWER- G-protein coupled receptors
An inhibitor of which of the following could be used to block the release
of calcium from the endoplasmic reticulum? - ANSWER- Phospholipase
C
Carbohydrates carry multiple copies of this group. - ANSWER-
Hydroxyl group
Which functional group is the only one with a nitrogen atom? -
ANSWER- Amino
When numbering the carbons in a monosaccharide that is in the ring
form, what do you look for to know where carbon #1 is? - ANSWER-
The anomeric carbon
Fructose forms multiple hydrogen bonds with water. - ANSWER- True
What functional groups are present in a fatty acid? - ANSWER-
Carboxyl, Alkyl
