Dna compaction Study guides, Class notes & Summaries
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Green River College: BIOL 100 Unit 3 Notes Latest Updated,100% CORRECT
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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...
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Bio 111 Exam 1 - Purdue University All Possible Questions and Answers with complete
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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...
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PURDUE BIO 111 EXAM 1 2024 WITH 100% CORRECT ANSWERS
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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...
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GCD Exam 2 Practice Test Comp 86 Questions (chp 9-13) with Verified Answers,100% CORRECT
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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...
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Genetics Exam 3 Practice Test 50 Questions with Verified Answers,100% CORRECT
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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...
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PURDUE BIO 111 EXAM 1 2024 WITH 100% CORRECT ANSWERS
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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...
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MMSC 491 Exam (with Complete Solutions)
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Overall organizational structure of the human chromosome correct answers 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 answers the structure of DNA complexes with proteins that are coiled and compacted 
- the double helix is wound around positively charged his...
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BIO 1406 - lab exam 3 questions and answers already passed
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BIO 1406 - lab exam 3 questions and 
 
answers already passed 
 
Mitosis division of a cell nucleus in which the chromosomes number stays the same 
 
Mitosis purpose increase cell number during growth, development and repair 
 
Cytokinesis division of cytoplasm 
 
sister chromatids duplicates of an original chromosome 
 
centromere region whats holding chromatids together 
 
spindle football shaped structure composed of microtubules. involved in moving 
chromosomes during cell division 
 
centri...
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Biology 111 Exam 1 (Purdue) Quizzes And Answers Latest 2024
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binary fission - asexual, usually in prokaryotes 
origin (of replication) - bidirectional (replication AND separation together) 
homologous chromosome (homologue) - one from mom, one from dad; similar not identical; 
same alleles in the same order 
chromatid; sister chromatid - two IDENTICAL halves of a single replicated eukaryotic chromosome 
histone - proteins that have DNA wrapped around them in the *nucleosome* structure 
nucleosome - 147nt of DNA wrapped around a core of 8 histone proteins ...
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MBG 1000 Practice Exam 37 Questions with Verified Answers,100% CORRECT
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MBG 1000 Practice Exam 37 Questions with Verified Answers 
 
Somatic human cells contain: 
a) 2 pairs of sex chromosomes 
b) 46 pairs of chromosomes 
c) 46 chromosomes 
d) 46 autosomes 
e) none - CORRECT ANSWER C 
 
Which of the following in incorrect: 
a) a given human somatic cell only has 2 alleles for a given gene 
b) different alleles of a specific gene often arise through mutation of one of the gene copies 
c) the alleles of a gene are found at different loci on the 2 copies of the same au...
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