Chromatin - Study guides, Class notes & Summaries
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MCB 150 UPDATED Exam Questions and Correct Answers
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Match the event shown below with the appropriate phase of the cell cycle. 
Choices: Interphase, Prophase, Prometaphase, Metaphase, Anaphase, Telophase. 
• Separation of sister chromatids 
• Chromatin de-condensation 
• Centrosome replication 
• Chromatin condensation begins 
• Chromosomes have all been arranged along the center plane of the cell -
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BIO NO N MAJOR - EXAM 2 2024 WITH QUESTIONS AND ANSWERS
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1 meter = ____ centimeters Answer - 100 
 
Choose the letter that indicates the organelle that contains most of a cell's DNA. Answer - C 
 
The nucleus contains most of a cell's DNA. 
 
Which of these organelles carries out cellular respiration? Answer - mitochondrion 
 
Mitochondria convert the chemical energy of organic molecules to chemical energy in the form of ATP. 
 
Which of these is the double membrane that encloses the nucleus? Answer - E 
 
This is the nuclear envelope. 
 
The _____ ...
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Stahl's Essential Psychopharmacology Comprehensive Exam (2024) || Questions & Answers (100% Verified)
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Stahl's Essential Psychopharmacology Comprehensive Exam (2024) || Questions & Answers (100% Verified) 
Stahl's Essential Psychopharmacology Comprehensive Exam (2024) || Questions & Answers (100% Verified) 
 
MEK does what? - ANSWER - Activates ERK (extracellular signal-regulated kinase), RSK (ribosomal S kinase), MAPK (MAP kinase) or GSK-3 (glycogen synthase kinase) leading ultimately to changes in gene expression 
 
G protein signal transduction - what is secondary messenger? - ANSWER - cAMP ...
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MCB 150 TOP Exam Questions and CORRECT Answers
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Match the event shown below with the appropriate phase of the cell cycle. 
Choices: Interphase, Prophase, Prometaphase, Metaphase, Anaphase, Telophase. 
• Separation of sister chromatids 
• Chromatin de-condensation 
• Centrosome replication 
• Chromatin condensation begins 
• Chromosomes have all been arranged along the center plane of the cell 
Which of the following drugs works by stabilizing microtubules rather than 
blocking their formation? 
A. Colchicine 
B. Vinblastine 
C. Colc...
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CBNS 150 FINAL TEST QUESTIONS & ANSWERS 2024/2025
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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...
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Bio 103 Exam 3 latest questions and answers all are correct graded A+
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Interphase - cell grows, performs its normal functions, and prepares for division; consists of G1, S, 
and G2 phases 
G1 phase - the cell grows in size and organelles double in size 
S phase - DNA replication ("S"= synthesize) 
G2 phase - cell growth, production of enzymes and other proteins 
two categories of mitosis - 1. karyokinesis (division of cell nucleus) 
2. cytokinesis (division of cytoplasm) 
prophase - 1. chromatin condenses to form chromosomes; nuclear membrane and nucleoli 
disapp...
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USABO Latest Update with Verified Solutions
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USABO Latest Update with Verified 
 
Solutions 
 
Eukaryote An organism whose cells contain complex structures enclosed within membranes. 
The defining membrane bound structure thats sets them apart from prokaryotic cells is the 
nucleas or nuclear envelope within which the genetic material is carried. All species of large 
complex species are eukaryotes, including animals, plants and funghi. 
 
Euchromatin This shows as pale areas in the nucleas under electro magnification. It is a less 
densly...
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MICR 3033 Exam 2 Questions with Revised Answers Graded A+
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MICR 3033 Exam 2 Questions with Revised Answers Graded A+ 
7Q1-How does DNA interact with the core histone nucleosome? - Answer-DNA wraps around the core histone 
 
7Q2-What is the length(fixed)of DNA(in base pairs) that wraps around a core nucleosome? - Answer-147 base pairs 
 
7Q3-What is the 30-nm fiber structure in chromatin? - Answer-solenoid 
 
7Q4-What is meant by the terms Chromatin? Euchromatin? and Heterochromatin? - Answer-Heterochromatin is condensed chromatin which makes it inactiv...
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BIOCHEMISTRY : Questions and Asnwers Dr. N. MALLIKARJUNA RAO
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1. Describe common structural and functional features of eukaryotic cell. 
A. 1. Though mammals contain many types of cells which differ in function, shape, size 
etc., they have common features. 
2. All types of cells contain nucleus, membrane and sub cellular components etc. 
3. Each cell component has uniqe structure and function. 
Nucleus 
1. It is located in the centre of most of the cells. It is surrounded by double layered membrane 
in which pores are present. 
2. Pores present in...
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CTR Exam |Complete Questions with A+ Graded Answers
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CTR Exam Prep 
cell membrane 
separates the internal structures from the extracellular fluid 
 
 
cytoplasm 
clear, thick gel containing carbohydrates, lipids, proteins, and other chemicals that surrounds the nucleus in a cell 
 
 
cytosol 
fluid inside a cell 
 
 
organelles 
bodies in the cytoplasm that perform specific functions needed for cell survival 
 
 
ribosomes 
rounded bodies in the cytoplasm composed of protein and RNA; involved in protein synthesis 
 
 
nucleus 
control center of a ...
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