Chargaff Study guides, Class notes & Summaries
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PORTAGE LEARNING CHEM 210 - MODULE 6 EXAM
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PORTAGE LEARNING CHEM 210 - 
MODULE 6 EXAM. 
In RNA, guanine always pairs with . 
Thymine 
Guanine 
Cytosine 
Uracil 
Both A and B 
CYSTOSINE 
DNA is built from which of the following? 
Nucleosides 
Genes 
Purines 
Nucleotide 
Codons 
NUCLEOTIDE 
The Z-form helix of DNA is stabilized mainly by . 
Ionic bonds 
Covalent bonds 
Hydrogen bonds 
Ion-dipole bonds 
Hydrogen covalent bonds 
HYDROGEN BONDS 
Question 1 
3 / 3 pts 
Question 2 
3 / 3 pts 
Question 3 
3 / 3 pts 
Question 4 
3 / 3 pts 
Questi...
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BIO 111 TAMU Fletcher Exam 3 Already Graded A
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BIO 111 TAMU Fletcher Exam 3 Already Graded A Friedrich Miescher discovered DNA in 1869 But did not know (Isolated phosphate) rich acidic compounds 
Frederick Griffith Discovered transformation during an experiment that involved injecting mice with smooth S cells, rough R cells, heat-killed S cells, and heat-killed S cells with living R cells. 
Avery, MacLeod, McCarty Identified the heritable substance as DNA Used test tubes- vitro 
Hershey and Chase performed experiments showing that DNA is the...
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Biology 203: Final Exam Review 100% Accurate
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What cellular events occur in the G1 phase of the cell division cycle? - ANSWER normal growth and cell function 
 
What is the best way to describe homologous chromosomes? - ANSWER they carry information for the same traits 
 
In some parts of Africa, the frequency of individuals who are heterozygous for the sickle-cell anemia allele is higher than the frequency in North America, presumably because this reduces the frequency of malaria. Such a relationship is related to what? - ANSWER Darwin's ...
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PORTAGE BIOCHEM MODULE 6 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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PORTAGE BIOCHEM MODULE 6 EXAM | 
QUESTIONS & ANSWERS (VERIFIED) | 
LATEST UPDATE | GRADED A+ 
Most common nucleic acids 
Correct Answer: Deoxyribonucleic acid (DNA) 
Ribonucleic acid (RNA) 
Nucleic acid monomers 
Correct Answer: nucleotides 
DNA function 
Correct Answer: stores genetic info encoding primary sequence of proteins 
RNA function 
Correct Answer: makes proteins from info in DNA 
Nucleotide structure 
Correct Answer: base + monosaccharide + phosphoric acid (H3PO4) 
Site of phosp...
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Nats 1670 Final Exam questions and answers well illustrated.
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Nats 1670 Final Exam questions and answers well illustrated. 
 
 
 
 
 
 
 
 
 
What was the life expectancy in the early 1900's? - correct answer. Under the age of 50, with a 25% child mortality rate. 
 
When was the first vaccine created? - correct answer. 1880 
 
____________ _____________ can reduce life expectancy dramatically, due to the lack of __________________. - correct answer. INFECTIOUS DISEASES can reduce life expectancy dramatically, due to the lack of CONTROL. 
 
Upo...
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ASCP ACTUAL 2022/2023 EXAM QUESTIONS AND ANSWERS 2023 SOLUTION COMPLETE 100% VERIFIED GUIDE.
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ASCP ACTUAL 2022/2023 EXAM QUESTIONS AND ANSWERS 2023 SOLUTION COMPLETE 100% VERIFIED GUIDE.ASCP ACTUAL 2022/2023 EXAM QUESTIONS AND ANSWERS 2023 SOLUTION COMPLETE 100% VERIFIED GUIDE.ASCP ACTUAL 2022/2023 EXAM QUESTIONS AND ANSWERS 2023 SOLUTION COMPLETE 100% VERIFIED GUIDE.
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BIO110 PRACTICE EXAM 4|165 Questions with Verified Answers,100% CORRECT
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BIO110 PRACTICE EXAM 4|165 Questions with Verified Answers 
 
TRNA has a few loops in its structure, what loops connects to the mRNA codon? 
a. codon domain 
b. anticodon 
c. acodon 
d. amino acid - CORRECT ANSWER b. anticodon 
 
Catabolite activator protein: 
a. increases the affinity of the promoter region for RNA polymerase 
b. decreases RNA polymerase activity 
c. becomes nonfunctional when it binds to AMP 
d. binds and activates RNA polymerase 
e. blocks RNA polymerase access to the DNA tem...
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AP Biology Chapter 16 Practice Questions
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AP Biology Chapter 16 Practice Questions 
In his transformation experiments, what did Griffith observe? Mixing a heat-killed pathogenic strain of 
bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form. 
After mixing a heat-killed, phosphorescent strain of bacteria with a living nonphosphorescent strain, you 
discover that some of the living cells are now phosphorescent. Which observations would provide the 
best evidence that the ability t...
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(MB) ASCP Practice Exam Questions Answered 100% correct
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(MB) ASCP Practice Exam Questions Answered 100% correct 
Which of the following is not a component of a nucleotide? 
Phosphate group 
Anti-codon 
Ribose sugar 
Nitrogen base 
Anti-codon 
 
 
 
According to Chargaff's rule of base pairing, adenine pairs with: 
Thymine 
 
 
 
What genes would be screened in a breast cancer panel? 
HER2, ERBB2, BRCA1 
 
 
 
Next Generation Sequencing uses: 
Short sequence reads 
 
 
 
Purines and pyrimidines differ from each other in that: 
Purines have two rings...
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BIOLOGY II PRACTICE EXAM 2 MOCK 81 Questions with Verified Answers,100% CORRECT
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BIOLOGY II PRACTICE EXAM 2 MOCK 81 Questions with Verified Answers 
 
1. The building block of nucleic acids is a(n) 
A. None of the answer choices are correct. 
B. glycerol molecule. 
C. nucleotide. 
D. amino acid. - CORRECT ANSWER C. nucleotide. 
 
2. Complementary DNA strands are held together by 
A. ionic bonds. 
B. hydrogen bonds. 
C. covalent bonds. 
D. phosphodiester bonds. - CORRECT ANSWER B. hydrogen bonds. 
 
3. The enzyme that unwinds and separates the paired DNA strands is 
A...