Alpha helices Study guides, Class notes & Summaries
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BMS 300 Final (Exam questions with 100% correct answers)
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C correct answers Between the time when pre mRNA is generated and when introns are removed from it, a type of RNA called SnoRNA adds a methyl group to some bases in the pre mRNA. From what you know about RNA Processing, you would expect these enzymes to function in the: 
 
a. smooth ER 
b. rough ER 
c. nucleus 
d. cytoplasm 
e. a and b are correct 
 
A correct answers The name for cadherins is derived from the observation that extracellular Ca2+ is needed for cells to adhere tightly to one anot...
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UNIT 1 UNE CHEM 1005 Questions With Complete Solutions
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Hemoglobin binds oxygen with a greater affinity in the: correct answer: R state 
 
Hemoglobin bound to heme is termed a holoprotein. The heme or porphoryin ring is required for oxygen binding and it is termed a: correct answer: prosthetic group 
 
Alpha helices and beta sheets are primarily stabilized by: correct answer: H bonding 
 
Ligases are a class of enzymes characterized by their ability to: correct answer: synthesize bonds between carbon atoms and an additional atom that is involved ...
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UNE Biochemistry Midterm Exam Questions And Answers Verified 100% Correct!!
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UNE Biochemistry Midterm Exam Questions And Answers Verified 100% Correct!! 
 
How do most enzymes reduce the activation energy needed to move a reaction forward? 
Providing an active site most complementary the transition state 
An enzyme has a mutation within the substrate binding of the coenzyme needed for covalent catalysis. Which of the following is likely to result as a consequence of this mutation? 
The enzyme will not be able to form the transition state complex 
Hemoglobin has the abili...
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Molecular and Cell Biology Test Bank LATEST WITH 400 REAL EXAM QUESTIONS AND CORRECT ANSWERS(VERIFIED ANSWERS)|AGRADE
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Molecular and Cell Biology Test Bank 
LATEST WITH 400 REAL EXAM 
QUESTIONS AND CORRECT 
ANSWERS(VERIFIED 
ANSWERS)|AGRADE 
Sucrose - ANSWER- Beta-glucose + fructose; beta-glycosidic linkage 
Lactose - ANSWER- 2 (Beta-glucose); beta-glycosidic linkage 
What stereoisomer of amino acids are found in human proteins? - ANSWER- L-amino 
acids except glycine 
Glycine - ANSWER- Simplest AA, found every third position in collagen 
Proline - ANSWER- Hydroxylated in mature collagen in the rER 
Lysine -...
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UNIT 1 UNE CHEM 1005 EXAM QUESTIONS AND ANSWERS
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UNIT 1 UNE CHEM 1005 EXAM QUESTIONS AND ANSWERS 
 
Hemoglobin binds oxygen with a greater affinity in the: 
R state 
Hemoglobin bound to heme is termed a holoprotein. The heme or porphoryin ring is required for oxygen binding and it is termed a: 
prosthetic group 
Alpha helices and beta sheets are primarily stabilized by: 
H bonding 
Ligases are a class of enzymes characterized by their ability to: 
synthesize bonds between carbon atoms and an additional atom that is involved in the cleavage of ...
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UNE Biochem Midterm Questions With Complete Solutions
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primary structure of protein correct answer: linear sequence of amino acids in the polypeptide chain 
 
secondary structure of protein correct answer: alpha helix and beta pleated sheet 
 
alpha helix correct answer: formed when the carbonyl group of peptide bond forms a hydrogen bond with the amide nitrogen of another peptide 4 aa down the chain; proline is not commonly found among these structures 
 
beta sheets correct answer: can be parallel or antiparallel peptide chains forming rows or...
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BPK 110 Final Exam Review Questions with 100% Correct Answers | Updated 2024 | Guaranteed Success
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Differentiate between complete and incomplete proteins and provide typical sources of each. 
Complete proteins: Have all nine essential amino acids. 
Ex. Animal sources of protein (milk, meat) 
Incomplete proteins: Lack one or more of the essential amino acids. 
Ex. Plant sources of proteins (legumes) 
Describe the molecular structure of proteins and the four levels of protein structure. Which 
bonds are essential to each level of organization? Proteins are composed of long chains of 
amino acid...
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MCMP 442 Exam 2 Questions and Answers 100% Pass
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MCMP 442 Exam 2 Questions and 
Answers 100% Pass 
Which is the most likely reason that HIV-infected people with heterozygous HLA loci 
have a delayed progression to AIDS compared with patients who are homozygous at 
one or more HLA loci? 
A. The greater number of HLA alleles provides a wider variety of HLA molecules for 
presenting HIV-derived peptides to CD8 T cells even if HIV mutates during the course of 
infection. 
B. Heterozygotes have more opportunity for interallelic conversion and can t...
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Chem 210 Portage Learning Exam #3 | Questions and Verified Answers| 2023/ 2024 Update
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Chem 210 Portage Learning Exam #3 | Questions and Verified Answers| 2023/ 2024 Update 
 
Question 
 
What unit is used by biochemists to indicate the mass of a protein? 
 
 
 
kDa kBa Mol/g g/mol kg 
 
 
Question 
 
All of the 20 standard amino acids contain an R-group that is attached to the: 
 
 
 
A. Carboxyl group 
 
B. Amino group C. Alpha carbon D. Beta carbon 
E. It depends on the amino acid 
 
 
 
A. B. C. 
D. E. 
 
 
Question 
 
Which of the following correctly matches the amino a...
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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