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Bio 219 Questions With Correct Answers (Solved)
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Bio 219 Questions With Correct Answers (Solved)
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Bio 219 Questions With Correct Answers (Solved)Tenets of Cell Theory Right Ans - All living organisms are composed of one
or more cells. The cell is the basic unit of structure and organization in
organisms. Cells arise from pre-existing cells.
What is the most abundant element living organisms by mass? Right Ans -
oxygen
Which of these occurs when atoms share electrons? Right Ans - covalent
bonds
Which of these occurs when partial charges are created by unequal sharing of
electrons across a covalent bond?
Answers:
more covalent bonds
Hydrogen bonds
Hydrophobic interactions
Ionic interactions Right Ans - hydrogen bond
Which of these is the strongest chemical interaction in living cells?
Covalent bonds
Ionic interactions
Hydrophobic interactions
Hydrogen bonds Right Ans - covalent bonds
Which type of chemical interaction is used to create the monomers of
macromolecules, like glucose?
Covalent bonds
Hydrophobic interaction
Hydrogen bonds
Ionic interactions Right Ans - covalent bonds
Which of these would you use if you were trying to create flexible interactions
between molecules? Choose all correct answers.
Hydrogen bonds
Covalent bonds
, Ionic interactions
Hydrophobic interactions Right Ans - Hydrogen bonds (updated answer
choice on 8/16, 2:45pm)
Ionic interactions
Hydrophobic interactions
True or False: Molecules and Organelles in the cell are static. They don't move
in 2D or 3D space. Right Ans - false
True or False: When molecules run into each other, the strength of their
interaction depends on the unique chemical composition and shape of each
molecule. Right Ans - True
the monomers for proteins are Right Ans - amino acids
nucleotide monomers are Right Ans - nucleic acids
monomers for carbohydrates Right Ans - monosaccharides
monomers for lipids Right Ans - fatty acids
charge for aspartic acid Right Ans - negatively charged
histidine is Right Ans - positively charged
Alanine is Right Ans - non polar/hydrophobic
serine is Right Ans - polar uncharged
what bonds does dna have Right Ans - hydrogen bonds
lipids have what bonds Right Ans - hydrophobic interactions
porteins have Right Ans - hydrogen bonds, ionic interactions
are ezymes always proteins Right Ans - No they are not always protiens
define k1 Right Ans - The rate at which Enzyme and Substrate run into
each other and make the enzyme-substrate complex.
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