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bmed 3600 exam 1 Question and answers already passed

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  • BMED
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  • BMED

bmed 3600 exam 1 Question and answers already passed all cells use ___ energy to drive reactions - correct answer free All cells are enclosed by a ____ ____ - correct answer plasma membrane 3 domains of life - correct answer Bacteria, Archaea, Eukarya eukaryotes have a ____ and ____...

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  • February 20, 2025
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BMED
  • BMED
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bmed 3600 exam 1 Question and
answers already passed
all cells use ___ energy to drive reactions - correct answer free


All cells are enclosed by a ____ ____ - correct answer plasma membrane


3 domains of life - correct answer Bacteria, Archaea, Eukarya


eukaryotes have a ____ and ______ organelles - correct answer nucleus;
membrane-bound


carbons are unique in that they can form ___ bonds and can participate in ___
and ___ bonds too - correct answer 4; double; triple


biomolecules in the cell are - correct answer sugars, lipids, amino acids,
nucleotides


biopolymers of cell are - correct answer polysaccarides, fats/lipids, protiens,
nucleic acids


organic molecules are held by _____ bonds - correct answer covalent


organic molecules fold and interact through weak noncovalent bonds/forces -
these are _____ bonds, ____ bonds, _____ forces, _____ forces

,advantage of organic molecules folding this way with these forces is that they
are ____ to make/break - correct answer hydrogen; ionic; wan der waals;
hydrophobic; easier


carbon carbon bonds are higher energy than noncovalent bonds so ppl dont
break down in the presence of ___ rays from sun - correct answer UV


hydrophillic molecules dissolve in water due to ____ bonding and _____
covalent bonds - correct answer H; polar


covalent bonds are _____ in water than ionic bonds since ionic bonds will
happily ______ into respective ions - correct answer stronger; dissociate


all cells are alike in that they contain _____ information, store it as ___ ____,
replicate info by ______ _____, transcribe dna into an intermediate form =
_____, translate this into = _____, use protiens for genetic info into action -
correct answer hereditary; dna polymers; templated polymerization; rna;
protein


biological systems must follow laws of _______; but formation of polymers
does not follow the ___ law because increased order - correct answer
thermodynamics; 2nd


bc polymer formation doesn't follow the second law -cell releases _____ to
increase temperature and its movement/vibrations - basically increasing
_____ elsewhere - correct answer heat; entropy


can change G based on the ______ of reactants/products or by ____ a
favorable rxn with an unfavorable one - correct answer concentration;
coupling

, ______ reactions do not require energy input to occur - correct answer
spontaneous


tyrosine (image, three letter, one letter, type) - correct answer tyr; Y; polar


serine (image, three letter, one letter, type) - correct answer Ser; S; polar;


threonine - correct answer thr; T; polar


cysteine - correct answer Cys, C; polar


lysine - correct answer Lys, K; basic


protiens are composed of AAs which are their ___ structure, they have unique
R groups or ____ and are read from ___ to ____ - correct answer primary;
residues; N; C


no rotation around ___ bonds due to partial double bond character; ___
interactions form the inside of the folded protien to reduce interactions with
hydrophilic environment - correct answer peptide; hydrophobic


_____ structures are the local structure of the AAs together - two types are
____ and ____ - correct answer secondary; alpha helices; beta pleated
sheets


alpha helices are formed by ____ bonds between ___ atoms; all nh groups
and c=o point in the _____ direction - helix has partial charge ; r groups can
be in ______ orientations; has a turn every ____ AAs; useful for crossing
_____ lipid membranes - correct answer H; backbone atoms; same; many;
3.6; hydrophobic

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