Chargaff Study guides, Class notes & Summaries

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...

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. - Answer 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). - Answer Hershey-Chase __________ are viruses that infect bacterial cells. - Answer Bacteriophages ______...

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...

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...

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 ...

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 -...

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...

What cellular events occur in the G1 phase of the cell division cycle? - normal growth and cell function What is the best way to describe homologous chromosomes? - 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? - Darwin's theory of natural sel...

Genetics Exam 1 | Questions & 100% Correct Answers Genetics Exam 1 | Questions & 100% Correct Answers What characteristic is not necessary for a molecule that is the genetic material? A. It must contain complex information B. It must be variable C. It must perform the action associated with the phenotype D. It must have the ability to replicate faithfully E. It must encode the phenotype - ANSWER- C A key discovery leading to the structure of DNA was done by Chargaff. He found that __...

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...