Chargaff Study guides, Class notes & Summaries
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biology 1406 exam 5 Questions and Answers with complete solution
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In 1928, __________ was surprised to find that when he 
killed pathogenic bacteria, then mixed the bacterial remains 
with living harmless bacteria, some living bacterial cells 
became pathogenic. - Frederick Griffith 
In 1952, ___________ used bacteriophages to 
show that DNA is the genetic material of T2, a virus that infects the 
bacterium Escherichia coli (E. coli). - Hershey-Chase 
__________ are viruses that infect bacterial 
cells. - Bacteriophages 
______ discovered the relationships bet...
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BIOL 1362 UPDATED Exam Questions and CORRECT Answers
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Largest to Smallest - Genome > Chromosome > Chromatin > DNA > Genes > Nucleic 
Acid 
DNA Polymerase III - synthesizes new DNA only in the 5' to 3' direction 
Leading Strand - has one primer 
Lagging Strand - has multiple primers 
Griffith - pathogenic pneumonia cells were able to transform non-pathogenic cells 
Chargaff - base composition varied from species to species and A-T and C-G 
complementation 
Hershey and Chase - concluded that the genetic material of the bacteriophag...
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Biology 203: Final Exam Review 100% ACCURATE Solutions.
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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 LEARNING CHEM 210 - MODULE 6 EXA
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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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Biology 203: Final Exam Review 100% Correct Solutions
- Exam (elaborations) • 11 pages • 2024
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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 LEARNING CHEM 210 exams 1-8 and final exam
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Portage Learning CHEM 210 exams 1-8 and final exam 
 
Question 1 
3 / 3 pts 
 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
 
 
 
True Correct! 
False Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True Correct! 
False Question 3 
3 / 3 pts 
 
True or False: The following functional group is an alcohol. 
 
 
 
 
 
True Correct! 
False Question 4 
3 / 3 pts 
 
True or False: In ...
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USABO Questions with 100% correct answers 2024
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In the extracellular matrix of an animal cell, you would like to test the binding partner of integrins in vitro. Integrins would most likely require firm attachment to which of the above option? correct answersActin 
 
You are working with Dr. Lee at University of Wisconsin-Madison to investigate cytokinesis in a newly discovered marine worm. You generated antibodies to conserved proteins involved in cell division in other organism to look for proteins that localize to important structures durin...
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People to Know - AP Biology Exam Questions and Answers
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People to Know - AP Biology Exam Questions and Answers 
Gregor Mendel 
Monk who grew up in Austria, experimented with garden peas in 1857 to study inheritance, documented "particulate mechanism", came up with laws of independent assortment and segregation. 
 
 
Thomas Hunt Morgan 
Came up with first solid evidence associating a specific gene with a specific chromosome by working with various varieties of Drosophila; invented notation for symbolizing alleles; discovered sex-linked trait of whit...
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NATS 1670 - Part 2 questions with correct answers
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complete the central dogma: DNA --> RNA --> __________ --> phenotypes CORRECT ANSWER proteins 
 
molecule: two or more _______ held together by chemical bonds CORRECT ANSWER atoms 
 
what are nucleotides made of? CORRECT ANSWER sugar, phosphate group, nitrogenous base 
 
nucleotides join to produce nucleic acids through the formation of what kind of bond? CORRECT ANSWER phosphodiester linkage/bond 
 
between which groups on two sugars do phosphodiester linkages form? CORRECT ANSWER phos...
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Biology Final Exam 2023 with 100% correct answers
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What was the key finding from Griffith's experimants using live and heat-killed pathogenic bacteria? - correct answer -Genetic material can be transferred from dead to live bacteria. 
 
Which of the following is not a component of DNA? - correct answer -The pyrimidine uracile 
 
Chargaff studied the composition of DNA from different sources and found that - correct answer -the proportions of A equal that of T and G equals C. 
 
The bonds that hold two complementary strands of DNA together are -...