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BIO 116 Final Exam Prep Questions and Answers
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BIO 116 Final Exam Prep Questions and Answers Cancer cell activity can be monitored using a PET scanner and isotopes. When an individual consumes glucose containing carbon-11, the PET scanner shows areas where cells are rapidly growing and consuming the radioactive glucose. What is the differen...

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  • October 23, 2024
  • 76
  • 2024/2025
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©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




BIO 116 Final Exam Prep Questions and
Answers

Cancer cell activity can be monitored using a PET scanner and isotopes. When an individual consumes

glucose containing carbon-11, the PET scanner shows areas where cells are rapidly growing and

consuming the radioactive glucose. What is the difference between the carbon-12 atoms in your cells

normally and carbon-11 in the radioactive sugar?




a. Carbon-11 has one fewer electrons than carbon-12


b. Carbon-11 has one more proton than carbon-12


c. Correct! Carbon-11 has one fewer neutrons than carbon-12


d. Carbon-11 has one more electron than carbon-12


e. Carbon-11 has one fewer protons than carbon-12 - Ans:✔✔-Carbon-11 has one fewer neutrons than

carbon-12


In biological molecules, hydrogen bonds typically form between hydrogen and



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FIRST PUBLISH OCTOBER 2024




a. oxygen or nitrogen


b. hydrogen or carbon


c. sulfur or phosphorus


d. calcium or iron - Ans:✔✔-oxygen or nitrogen.


Chemical X is hydrophilic and polar. That means it


a. will easily cross a biological membrane


b. will be soluble in water


c. will be soluble in water AND will easily cross a biological membrane


d. will be insoluble in water AND will easily cross a biological membrane


e. will be insoluble in water - Ans:✔✔-will be soluble in water


If 2 atoms share electrons, a ___ bond is formed.


a. ionic


b. covalent


c. hydrogen




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d. hypertonic - Ans:✔✔-covalent


Water is essential to all living cells. How does water reach cells in the leaves of a Giant Sequoia tree?


a. The leaves absorb water through the surface of the leaf.


b. Water molecules evaporate out of the leaves. More water molecules are transported up the tree trunk

by sticking to each other and the inner surface of the vascular tissue.


c. Active transport of water through a series of pumps.


s. Covalent bonds form between the water molecules forming a chain up the tree. - Ans:✔✔-b. Water

molecules evaporate out of the leaves. More water molecules are transported up the tree trunk by

sticking to each other and the inner surface of the vascular tissue.


You have discovered a new species of bacteria that grows in the Bonneville Salt Flats in Utah. What

element below would likely be MOST abundant in cells of this species?


a. sodium


b. chloride


c. phosphorus


d. iron - Ans:✔✔-phosphorus




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FIRST PUBLISH OCTOBER 2024




The pigment chlorophyll has a domain that is inserted into the thylakoid membrane of the chloroplast,

but it also has a domain that is located in the aqueous stroma. What type of molecule is chlorophyll?


a. hydrophobic


b. hygroscopic


c. amphipathic


d. hydrophillic - Ans:✔✔-amphipathic


The physical property of cells having the greatest impact on the chemical reactions of life is that

reactions mainly take place in a/an ____ environment.


a. acidic


b. basic


c. aqueous


d. stable - Ans:✔✔-aqueous


Which of the following would be the MOST abundant in a human muscle cell?


a. sulfur


b. zinc


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