Mutagens - Study guides, Class notes & Summaries

Pathophysiology Exam 1 Questions and Answers Already Passed An ordered photographic display of a set of chromosomes from a single cell is a(n): A) metaphase spread. B) autosomal spread. C) karyotype. D) anaphase spread. c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. b A somatic cell that does not contain a multiple of 23 chromosomes is called: A) an aneuploid cell. B) a eup...

Most of the inherited changes in our DNA arise because of unavoidable endogenous errors in cellular mechanisms and harmful effects of certain natural molecules and atoms within our cells correct answers True Most of the inherited changes in our DNA arise because of exposure to extracellular mutagens, including radiation sources and chemical mutagens. correct answers False Errors in DNA replication and DNA repair are a major source of mutations in our cells. correct answers True Signific...

WVU Bio 101 Exam 3 Salihu Questions and Answers Already Passed In a eukaryotic cell, where does DNA replication occur? nucleus base mutation do not alter reading frame base insertions or deletions alter reading frame, typically more disasterous than base mutation when do mutations occur? may be spontaneous or may be caused by environmental factors called mutagens do daughter cells have the same number of chromosomes as the parent cell? yes how many daughter cells are creat...

BIO 205 Exam Questions With 100% Correct Answers Nucleoid is a region/structure found only in ____ cells. a) prokaryotic b) eukaryotic c) bacterial d) Both A and C - answerProkaryotic/bacterial A plasmid is double-stranded DNA. True or false? - answerTrue A plasmid-gene or a chromosomal-gene (piece of DNA with a specific product) will always produce a________. a) carbohydrate b) ATP c) Protein d) Lipid - answerProtein DNA polymerase is a(n) a) lipid b) polysaccharide c) enzyme ...

How do we identify mutants? ~ Look at the morphology, differential staining, and chemical testing How do we identify mutagens? ~ Look at the direct effect or perform animal testing What are the four different chemical mutagens? ~ Nitrous acid, nucleoside analogs, ionizing radiation, and UV radiation What does UV radiation do? ~ forms a thymine dimer and disrupts the normal base pairing What is the process where genes are transferred from one bacterium to another as "naked" DN...

STATE BOARD NY ESTHETIC EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+ According to New York state laws, rule, regulation, an esthetician license expires how many years from the date of issuance? 4 years According to NYS laws, rules, and regulation, making a false statement on esthetic license can result in a max fine of? $500 NYS dept of State rules and regs, prohibit the use of what non-disposable? powder puff NYS Dept of state rules, regs, define which one of the following terms as...

BIO 205 Exam Questions With 100% Correct Answers Nucleoid is a region/structure found only in ____ cells. a) prokaryotic b) eukaryotic c) bacterial d) Both A and C - answerProkaryotic/bacterial A plasmid is double-stranded DNA. True or false? - answerTrue A plasmid-gene or a chromosomal-gene (piece of DNA with a specific product) will always produce a________. a) carbohydrate b) ATP c) Protein d) Lipid - answerProtein DNA polymerase is a(n) a) lipid b) polysaccharide c) enzyme ...

According to New York State laws, rule, and regulation, individual esthetics licenses expires how many years from the date of issuance? 4 According to New York State laws, rules, and regulations, making a false statement on esthetics license application can result in a maximum fine of: $500 NYS Department of State rules and regulations prohibits the use of non-disposable: Powder puffs NYS Department of State rules and regulations define which one of the following terms as the physica...

How are chromosomes, genes, alleles, proteins, traits and mutations related? - correct answer Chromosomes contain DNA which contains genes that can vary and are then called alleles, which code for proteins that can be expressed as traits. Mutations happen. What causes cancer?Are all mutations caused by mutagens? - correct answer Cancer can be caused by inheritance or sporadic mutations (mutagens). Not all mutations are caused by mutagens. ** How do you go about determining whether the ...

SFSU Bio 230 Study Guides for Exams 1, 2, 3, and 4 Questions and Answers Grade A+ How are chromosomes, genes, alleles, proteins, traits and mutations related? - ️️ Chromosomes contain DNA which contains genes that can vary and are then called alleles, which code for proteins that can be expressed as traits. Mutations happen. What causes cancer?Are all mutations caused by mutagens? - ️️ Cancer can be caused by inheritance or sporadic mutations (mutagens). Not all mutations are cause...