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BCH 400 Exam 1 Practice questions well answered to pass
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BCH 400 Exam 1 Practice questions well answered to pass
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BCH 400 Exam 1 PracticeWhich of the following does not occur in the nucleus of eukaryotic cells?
a.) Replication
b.) Transcription
c.) Translation - correct answer ✔✔c.) Translation
Which of the following organelles is surrounded by two membranes?
a.) Nucleus
b.) Mitochondria
c.) Chloroplast
d.) All of the above - correct answer ✔✔d.) All of the Above
Function of Rough Endoplasmic Reticulum? - correct answer ✔✔Protein Synthesis
Function of Mitochondria? - correct answer ✔✔ATP Production
Function of Golgi Complexes? - correct answer ✔✔Package Proteins
Function of Smooth Endoplasmic Reticulum? - correct answer ✔✔Xenobiotic Metabolism
Function of Lysosome? - correct answer ✔✔High in Proteolytic Enzymes
Lys
,a.) Hydroxyl Containing a.a.
b.) Sufur containing a.a.
c.) Hydrophobic a.a.
d.) side chain has a carboxylic acid
e.) side chain has a positive charge ay pH=7.0 - correct answer ✔✔Side chain has a positive charge at
pH=7.0
Ser
a.) Hydroxyl Containing a.a.
b.) Sufur containing a.a.
c.) Hydrophobic a.a.
d.) side chain has a carboxylic acid
e.) side chain has a positive charge ay pH=7.0 - correct answer ✔✔Hydroxyl containing a.a.
Leu
a.) Hydroxyl Containing a.a.
b.) Sufur containing a.a.
c.) Hydrophobic a.a.
d.) side chain has a carboxylic acid
e.) side chain has a positive charge ay pH=7.0 - correct answer ✔✔Hydrophobic a.a.
Cys
a.) Hydroxyl Containing a.a.
b.) Sufur containing a.a.
c.) Hydrophobic a.a.
d.) side chain has a carboxylic acid
e.) side chain has a positive charge ay pH=7.0 - correct answer ✔✔Sulfur containing a.a.
Glu
, a.) Hydroxyl Containing a.a.
b.) Sufur containing a.a.
c.) Hydrophobic a.a.
d.) side chain has a carboxylic acid
e.) side chain has a positive charge ay pH=7.0 - correct answer ✔✔Side chain has a carboxylic acid group
After adding sulfur to his garden to lower the pH after years of adding sodium and potassium hydroxide
from fireplace ash, Blomquist's garden pH was 5.0. The concentration of -OH ions is
a.) 1*10^-5
b.) 1*10^-7
c.) 1*10^-9
d.) 1*10^-14 - correct answer ✔✔1*10^-9
A buffer consisting of histidine (pKAs 3.9,6.0,9.7) at 5.5 would buffer best against
a. Added base
b. Added acid
c. Equally well against both - correct answer ✔✔Added Base
Which of the following subcellular organelles is about the same size as a bacterium?
a. Nucleus
b. Golgi Apparatus
c. Mitochondria
d. Ribosome - correct answer ✔✔Mitochondria
Which of the following have three amino acids have ionizable side chains?
a.) Ser, Thr, Tyr
b.) Glu, Asp, His
c.) Ala, Leu, Val
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