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BIO 116 Final Exam Miami University Exam Questions With Correct Answers

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BIO 116 Final Exam Miami University Exam Questions With Correct Answers What feature of dietary fiber is responsible for its role in maintain gastro-intestinal health? a. Bonds between glucose molecules are unstable, and the digestive system can break down the fiber with minimal energy, effort,...

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  • October 15, 2024
  • 59
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 116
  • BIO 116
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©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



BIO 116 Final Exam Miami University Exam
Questions With Correct Answers


What feature of dietary fiber is responsible for its role in maintain gastro-intestinal health?

a. Bonds between glucose molecules are unstable, and the digestive system can break down the

fiber with minimal energy, effort, or strain on the system.

b. Bonds between glucose molecules that cannot be broken by our digestive enzymes

c. Chains consist solely of glucose and no other monosaccharides


d. It comes from plants - answer✔b. Bonds between glucose molecules that cannot be broken by

our digestive enzymes

Which of the following is NOT an example of how hydrogen bonds affect the chemistry of living

organisms?

a. Hydrogen bonds between water molecules keep the main component of cellular and

extracellular spaces liquid across all biologically relevant temperatures.

b. Hydrogen bonds are responsible for the structure of nucleic acids like DNA

c. Hydrogen bonds among amino acids help dictate the secondary structure of proteins

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


d. The number of hydrogen bonds in fatty acids determines if triglycerides are saturated or

unsaturated. - answer✔d. The number of hydrogen bonds in fatty acids determines if

triglycerides are saturated or unsaturated.

Why would water striders not be able to walk on cyclohexane the way they do on water?

a. No hydrogen bonds form among molecules of cyclohexane, so there is no surface tension

b. Non-polar molecules like cyclohexane do not exist as liquids

c. Polar molecules like cyclohexane in the liquid state do not have surface tension

d. Friction from the water striders' legs on the highly flammable cyclohexane would cause it to

ignite - answer✔a. No hydrogen bonds form among molecules of cyclohexane, so there is no

surface tension

Which of the following types of bonds is the strongest?

a. Covalent

b. Hydrogen

c. Ionic


d. Organic - answer✔a. Covalent


What property of unstable isotopes make them useful in medial imaging technologies?

a. Unstable isotopes break down and go away after the imaging is complete

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


b. Unstable isotopes break down, and must be purchased again by the patient, make more money

for the hospital

c. As the unstable isotope decay, radioactivity is released, allowing the location and movement

of the isotopes in the body to be tracked by detection equipment

d. Unstable isotope are not medically useful, only stable isotopes are used in medicine -

answer✔c. As the unstable isotope decay, radioactivity is released, allowing the location and

movement of the isotopes in the body to be tracked by detection equipment

What is the primary function of triglycerides?

a. Cell communication and signaling

b. Direct source of energy

c. Energy storage


d. Structural - answer✔c. Energy storage


Heat-shock proteins are proteins in cells that are expressed during times of stress, especially

thermal stress. These proteins come along other proteins to prevent them from denaturing

(unfolding), and to help them re-fold correctly. What level of protein structure do heat-shock

proteins help preserve?

a. Primary

b. Secondary

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


c. Tertiary


d. Quarternary - answer✔c. Tertiary


Cell membranes have many proteins embedded in them. Many of these proteins project all the

the way across a cell membrane and stick out into the intracellular and extracellular spaces.

Recall that amino acids have different side groups with different basic properties. Parts of the

protein in the middle of the cell membrane are primarily made up of amino acids with...

a. Non-polar side groups

b. Polar, uncharged side groups

c. Polar, positively charged side groups


d. Polar, negatively charged side groups - answer✔a. Non-polar side groups


According to the Homeoviscous Adaptation hypothesis, which of the following statements is true

about cell membranes?

a. Cells acclimated to warmer temperatures should have membranes made of phospholipids with

fewer double bonds in the fatty acid tails than cells acclimated to colder temperatures.

b. Cells acclimated to warmer temperatures should have membranes made of phosopholipids

with more double bonds in the fatty acid tails than cells acclimated to colder temperatures.

c. Cells acclimated to dry conditions should have membranes made of phosopholipids with fewer

double bonds in the fatty acid tails than cells acclimated to colder temperatures.

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