Popular courses 'Biochemistry' at Biochemistry
Biochemistry Study guides, Class notes & Summaries
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Complete Test Bank Biochemistry 9th Edition Campbell Questions & Answers with rationales (Chapter 1-24)
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Biochemistry 9th Edition Campbell Test Bank 
 
Complete Test Bank Biochemistry 9th Edition Campbell Questions & Answers with rationales (Chapter 1-24) 
 
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Complete Test Bank Biochemistry 6th Edition Garrett Questions & Answers with rationales (Chapter 1-32)
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Biochemistry 6th Edition Garrett Test Bank 
 
Complete Test Bank Biochemistry 6th Edition Garrett Questions & Answers with rationales (Chapter 1-32) 
 
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BIOMG 3320 Prelim 1 part 1 Questions with Complete Solutions
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What was originally considered to be the genetic material? Why? Correct Answer-Proteins were considered to be the genetic material because they were inherently more complex than DNA. 
 
Avery, McCarty, MacLeod experiment Correct Answer-First, think about Griffith's experiment and how even heat killed strains of S. pneumococcus still led to death of non pathogenic cells 
 ⁃ Process: Grind up virulent cells, isolate the active genetic material ('transforming principle') and infuse it into non...
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BIOMG 4320 Prelim 2 Quizzes with Complete Solutions
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QUIZ 3 Correct Answer--------- 
 
Which of the following statements are FALSE? Mark all that apply. 
 
1. A knockout mouse is constructed by injecting a sample of recombinant DNA into a fertilized mouse embryo. Injected DNA is then randomly incorporated into the mouse's genome. 
 
2. miRNAs hybridize perfectly with target mRNAs. 
 
3. In RNAi, if a perfectly complementary 21-nt mRNA is found, Dicer will cleave the mRNA, which knocks down target gene expression. 
 
4. Diploid yeast cells can be ...
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BIOMG 4320 Prelim 1 Questions with Complete Solutions
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Resolution Correct Answer-small dist b/t 2 pts can be distinguished; 
D = .61λ/Nsinα, want lower D; 
Light microscope 200nM 
 
Bright field microscopy Correct Answer-normal light type 
 
Phase-contrast Correct Answer-altered phase interference of unobstructed light; looks like cells are surrounded by light 
 
DIC Correct Answer-3D looking cells 
 
Confocal Correct Answer-3D imaging with fluorescence, progessively capture full surface in focus by removing out of focus; normal point-scanning vs....
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BIOMG 3300 Prelim 1 (Units 1-5) Questions with Complete Solutions
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R1-R2C=NH Correct Answer-imine 
 
RO-CO-CH3 Correct Answer-acetyl 
 
R-SH Correct Answer-sulfhydryl/thiol 
 
R-CO-SR Correct Answer-thioester 
 
RO-PO2-OH Correct Answer-phosphoryl 
 
hydrogen bond Correct Answer-an electrostatic attraction between the O of one molecule and the H of another 
 
H must be bonded to F,O,N 
 
H bond acceptor Correct Answer-a LP on an electronegative atom 
 
H bond donor Correct Answer-an H bonded to F,O,N 
 
amphipathic molecule Correct
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BIOMG 1350 Lecture 13 Questions with complete solutions
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Steps of embryonic development Correct Answer-1) Zygote (fertilized egg) undergoes early cleavages -> morula (group of equivalent, undistinguishable cells) 
2) As morula grows, cell acquires specific characteristics & some morphological differences (ex. embryonic axes) -> blastula (characterized by presence of hollow cavity, blastocele) 
3) Gastrulation (gastrula) originates 3 definitive germ layers (ectoderm, mesoderm, endoderm) 
4) Once scaffold & primordial for tissues & organs laid out...
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BIOMG 3300 Unit 13 Questions with Complete Solutions
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reaction catalyzed by glycogen phosphorylase, know structures Correct Answer-a1->4 glycosidic linkage between glucose residues at a nonreducing end of glycogen is cleaved by Pi--> shortens chain by one glucose 
 
(n)glucose--> (n-1)glucose + glucose-1-phosphate 
 
What is an example of a phosphorolysis reaction? 
Why is phosphorolysis is more energetically efficient than hydrolysis? Correct Answer-Ex: glycogen phosphorylase shortening a glycogen chain 
 
In phosphorolysis some of the e...
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BioMG 3320 Final Questions with Complete Solutions
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Central dogma Correct Answer-DNA -> RNA -> Protein 
 
Avery-MacLeod-McCarty experiment Correct Answer-demonstrated that DNA is the genetic material because degradation of DNA led to a cessation of bacterial transformation 
 
Nucleotides Correct Answer-Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases 
 
Key bonds in nucleotides Correct Answer-Glycosidic and ester bonds 
 
glycosidic bond Correct Answer-Between the base and the sugar forms at 1' 
 
Ester...
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BIOMG 2801 Questions with complete solutions
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characteristics of female drosophila Correct Answer--larger size 
-enlarged abdomen tips 
-7 abdoment segments 
 
characteristics of male drosophila Correct Answer--claspers (genitals) on the ventral abdomen 
-sex combs (bristles) on the forelegs 
-darker last few abdomen segments 
-5 abdomen segments 
 
Order of drosophila life cycle Correct Answer-embryo, 1-3 instar larva , prepupa, pupa 
 
Which drosophila life cycle stages take 2 days? Correct Answer-3rd instar larve, pre-pupa, pupa 
 
How m...
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Biomg 4390 Questions with Complete Solutions
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What are the organs susceptible to hypertensive end organ damage? Correct Answer-heart, kidney, brain, and eye 
 
Describe 2 factors determining the blood pressure Correct Answer-systemic blood volume(cardiac preload)-volume of the blood that the heart needs to pump every cardiac cycle (end diastolic volume) 
systemic vascular resistance(cardiac afterload)- pressure in the heart to overcome to eject blood (systolic ventricular pressure) 
 
What are the receptors for sympathetic and parasympathet...
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BIOMG 3350 Questions with Complete Solutions
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metabolites Correct Answer-intermediates in biosynthetic and degradative pathways 
 
cell envelope Correct Answer-constituted of the plasma membrane and the layers outside it 
 
metabolome Correct Answer-the entire collection of small molecules in a given cell under a specific set of conditions 
 
metabolomics Correct Answer-the systematic characterization of the metabolome under very specific conditions (such as following administration of a drug or a biological signal such as insulin) 
 
prote...