Core histone - Samenvattingen, Aantekeningen en Examens

MCB Exam 2 Rats Questions With Correct Answers Extensive digestion of chromatin with micrococcal nuclease was found to yield particles called nucleosome core particles that appear as beads when viewed by electron microscopy. Which of the following is not found in the nucleosome core particle? a. Two molecules of H2A protein b. Two molecules of H3 protein c. Two molecules of H4 protein d. One molecule of H1 protein - answerd. One molecule of H1 protein The transfer of information from pa...

Single Nucleotide Variant (SNV) - ANS differences in DNA sequence. 46 chromosomes. >1% of population. Common complex traits bp in nucleus - ANS 6 billion Chromatin - ANS packaged DNA. Composed of DNA helix wound around histone proteins forming nucleosomes. 150 bp of DNA wound around each histone core Amino acid - ANS 20 different molecules used to build proteins. Coded by genes. Organic. Contains a Carboxyl (-COOH) and an Amino (-NH2) group Cent...

activators - TFs that increase the levels of transcription initiation Adaptive mutations - evolutionary change and adaptation to new environments, stressful conditions darwins birbs AP - activator proteins ARE - AP2 response elements Base analogs (chem induced - 5-bromouracil resembles thymine, except that it has bromine atom in place of methyl on 5' C base excision repair (BER) - repairs damaged base by using AP endonuclease to cleave damage on 5' side and DNA polymerase add new base...

1. Highly condensed chromatin that is transcriptionally inactive is called - Answer-Heterochromatin 1. If you were to make a synthetic form of DNA in which the phosphate group is substituted by a chemical group exhibiting a net positive charge, the resulting synthetic DNA" - Answer-Would likely not be packaged by histones The major structural proteins in human chromatin are known as - Answer-histones The main function of the centromere is to - Answer-Allow the proper distribution of ch...

Genetics Exam 3 Practice Test 50 Questions with Verified Answers Gene conversion results from A. Discontinuous replication B. Photoreactivation C. Mismatch repair D. Gap Repair E. C and D - CORRECT ANSWER E. C and D The picture below is two Holliday junctions in a pair of DNA molecules undergoing recombination Breakage and rejoining of the strands indicated by the arrows () and () results in crossover. A. 1 and 2 B. 2 and 3 C. 3 and 4 - CORRECT ANSWER B. 2 and 3 In eukaryoti...

Which process describes cell division in prokaryotic organisms?Answer - binary fission What is the term used to describe about 150 nucleotides of DNA wrapped around a core of histone proteins?Answer - nucleosome Meiotic cell division plays a key role in which biological processes?Answer - sexual reproduction During the G1 phase of the cell cycle, most of the DNA would be in what state of compaction?Answer - 30-nm fiber During telophase of mitosis, how many DNA double helices make...

Chromosome Structure Test Questions with Answers Where is DNA methylated? - Answer-5' of deoxycytidine Describe the movement of chromatin within the nucleus. - Answer-Interconverts between euchromatin and heterochromatin quickly, but whole chromosomes do not move much. Specific genes are associated with specific nuclear compartments. CLINICAL APPLICATION: give an overview of how FISH is used in clinical medicine. Acronym? - Answer-Fluorescence in situ hybridization. Labeled DNA probe ...

MCB Exam 1 Review Questions And Answers Latest Top Score. 1. Highly condensed chromatin that is transcriptionally inactive is called - correct answer. Heterochromatin 1. If you were to make a synthetic form of DNA in which the phosphate group is substituted by a chemical group exhibiting a net positive charge, the resulting synthetic DNA" - correct answer. Would likely not be packaged by histones The major structural proteins in human chromatin are known as - cor...

GCD Exam 2 Practice Test Comp 86 Questions (chp 9-13) with Verified Answers Which of the following could be the components of a single nucleotide found in DNA? a. Ribose, phosphate, and cytosine b. Deoxyribose, phosphate, and uracil c. Deoxyribose, phosphate, and adenine d. Ribose, phosphate, and uracil - CORRECT ANSWER c. Deoxyribose, phosphate, and adenine 2. Which of the following is NOT a feature of the DNA double helix? a. It obeys the AG/TC rule. b. There are 10 nucleotides...

Understand the storage of genetic information and how it is passed down to successive generations and the principles of basic techniques in molecular biology This is the direction that both bacteria and human DNA use in Replication correct answer: Bidirectional synthesis This contains the plasma membrane, DNA, the cell wall, flagellum, and ribosomes in the cell correct answer: The Prokaryote Genome This is circular in bacteria cells, attached to the plasma membrane, and can include a ...