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UMD BSCI 330 exam 1 Practice Questions and Answers $12.49   Add to cart

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UMD BSCI 330 exam 1 Practice Questions and Answers

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UMD BSCI 330 exam 1 Practice Questions and Answers what is the difference between seeing and visualizing? - ANSWER-seeing- can detect visualizing- seeing shapes, structures, measuring Given the following building blocks ==> structures sugar fatty acid amino acid nucleotides - ANSWER-suga...

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  • October 31, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • UMD BSCI 330
  • UMD BSCI 330
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UMD BSCI 330 exam 1 Practice Questions

and Answers


what is the difference between seeing and visualizing? - ANSWER✔✔-seeing- can detect


visualizing- seeing shapes, structures, measuring


Given the following building blocks ==> structures




sugar


fatty acid


amino acid


nucleotides - ANSWER✔✔-sugar ==> polysaccharides


fatty acid ==> fat, lipids, membranes


amino acid ==> protein


nucleotides ==> nucleic acid


Page 1/21

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condensation reactions link ___ to form ___ - ANSWER✔✔-condensation reactions link monomers to

form polymers


in condensation reactions, removing H2O ____. While adding H2O ____ - ANSWER✔✔-in condensation

reactions, removing H2O forms molecules. While adding H2O breaks down molecules.


what structure is the plant cell wall made of? - ANSWER✔✔-carbohydrates


describe the chemical nature of carbohydrates - ANSWER✔✔-- highly polar


-hydrophilic


-H bond forming


describe the chemical feature(s) of carbohydrates - ANSWER✔✔-- linear chain


OR


-ring (polymer)


-several OH groups (potential for linkage)


why can we digest starch & not cellulose - ANSWER✔✔-starch has alpha link b/t glycosidic bonds.

cellulose has beta link and we dont have a beta enzyme.


when naming linkages, position 1 OH group determines... - ANSWER✔✔-Beta - Up



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Alpha - Down


the ___ nature of lipids can be membranes/barriers between 2 aqueous compartments - ANSWER✔✔-

hydrophobic


describe the chemical feature(s) of lipids - ANSWER✔✔-hydroen chains w/ polar COOH at the ends


describe the chemical nature of lipids - ANSWER✔✔-amphipathic (one end likes water)


Describe a phospolipid - ANSWER✔✔-- x2 fatty acid tails (nonpolar/hydrophobic)




-head group (polar/hydrophillic)(charged Phosphate)


Describe Tay-Sachs disease - ANSWER✔✔-neuron cells mutated and improperly metabolize gangleoside

(Gm2) as it accumulates


describe chemical feature(s) of amino acids - ANSWER✔✔-uniform chemical structure w/ directionality


- amino terminus


-carboyl terminus


-R group


describe chemical narure of amino acids - ANSWER✔✔-R group varies

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