Dna compaction - Study guides, Class notes & Summaries

CBNS 150 FINAL TEST QUESTIONS & ANSWERS 2024/2025 What are the major players of apoptosis? - ANSWERS- Bax - Bcl2 - caspases - cytochrome c - APAF1 - Mitochondria Who is considered "guardian of the genome"? - ANSWERSp53 Why does p53+/+ cells have a lower percent survival after x-irradiation than p53-/- cells? - ANSWERSApoptosis is induced by WT p53 in response to DNA damage How many different types of cancer are there? - ANSWERSAbout as many as there are different types of c...

Green River College: BIOL 100 Unit 3 Notes Latest Updated Chapter 6: Energy for life Learning Objectives: 1. Identify the cellular structure where photosynthesis occurs and describe its function. 2. State the overall chemical equation for photosynthesis. 3. Recognize what is meant by the terms reduction and oxidation. 4. Describe the function of photosynthetic pigments. 5. Explain the flow of electrons in the light reactions. 6. Explain how ATP and NADPH are generated in the light reac...

Cell division requires what 3 things? - Answer-1. Replication of genetic material 2. Accurate segregation of genetic material 3. Divison of the cytoplasm between two cells Main difference between prokaryotes + eukaryotes? - Answer-Size and presence of membrane bound nucleus - prokaryotes are smaller, no nucleus / membrane bound organelles What is the term used to describe about 150 nucleotides of DNA wrapped around a core of histone proteins? - Answer-nucleosome Meiotic cell division play...

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...

what shape are cocci? correct answers spherical What shape are bacilli? correct answers rod shaped what shape are vibrio? correct answers bent rods what shape are spirrilium? correct answers spiral shaped what shape is pleiomorphic? correct answers varried shapes can morphology predict physiology, ecology, or phylogeny? correct answers no what selective forces determine morphology of bacteria? correct answers 1 - nutrient uptake efficiency (surface-to-volume ratio) 2 - spirals...

Microbial genomes consist of one or more DNA chromosomes Circular or linear, chromosomes or plasmids Usually one circular DNA chromosome Genome All genetic info that defines an organism Genes Contiguous packets of info encoded on chromosomes A structural gene produces a functional RNA, which usually encodes a protein DNA control sequence Regulates expression of structural gene Doesn't encode an RNA or protein Includes promoters & binding sites for regulatory proteins Ways genome is pac...

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...

Overall organizational structure of the human chromosome - correct answer normally contain a single, immensely long DNA double helix; to avoid tangling and to manage the long chain efficiently they are complexed with various proteins and sometimes noncoding RNAs to form chromatin that undergoes different levels of coiling and compaction Chromatin - correct answer the structure of DNA complexes with pro...

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...