Chromatin Samenvattingen, Aantekeningen en Examens
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Intro to Molecular Cell Biology Test Bank Chapter 6, Best Tested Questions and Answers 100% Correct A+
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The process of DNA replication requires that each of the parental DNA strands be used as a ____________ to produce a duplicate of the opposing strand. 
(a) catalyst 
(b) competitor 
(c) template 
(d) copy - CORRECT ANSWER-(c) template 
 
DNA replication is considered semiconservative because __________________________________. 
(a) after many rounds of DNA replication, the original DNA double helix is still intact. 
(b) each daughter DNA molecule consists of two new strands copied form the...
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Parasitology AAB questions and answrs(latest upate)
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Human parasite; trophozoite 
motile, reproducing, feeding stage 
amebae excreeted as trophozoites cant mature to cyst 
 
infective stage 
 
 
 
Human parasite; cyst 
nonmotile; nonfeeding stage 
infective stage for humans 
transission of cys stage by fecally contam food or water 
 
cxcystation occurs in lower intestine, and organisms begin to mult as trophozoites 
 
 
 
human parasites: identifying cyst 
round oval shape, non motile, refractile, thick wall, often 1 nucleus 
 
 
 
human parasite;...
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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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MMSC 270 Exam 2 (with 100% Correct Answers)
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chromatin correct answers -complex of proteins and DNA 
-makes up chromosomes 
 
histones correct answers -protein molecules around which DNA is tightly coiled in chromatin (wrapped by DNA) 
-8 subunits form nucleosome 
-combines with DNA to form beads-on-a-string 
-in nucleus of eukaryotic cells 
 
nucleosome correct answers -repeating subunits of chromatin in nucleus 
-histones + DNA 
-8 histones form this 
 
beads-on-a-string correct answers -unique structure in humans 
-DNA wraps around hist...
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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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USABO EXAM QUESTIONS AND ANSWERS
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USABO EXAM QUESTIONS AND ANSWERS 
 
Eukaryote - ANS An organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure that sets them apart from prokaryotic cells is the nucleus or nuclear envelope within which the genetic material is carried. All large complex species are eukaryotes, including animals, plants and fungi. 
 
Euchromatin - ANS This shows as pale areas in the nucleus under electro magnification. It is a less densely packed for...
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CHEM 441A FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS.
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CHEM 441A FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS. 
Instructions: 
1. DO NOT begin the exam until instructed to do so. 
2. SWITCH OFF your phones. 
3. Make sure there is a total of 12 pages. 
4. Write your Name AND Exam number (A or B) on your Scantron. 
5. When finished, place Exam sheet and Scantron and return all materials to the instructor. 
Summary of points: 
1. Answer on Scantron Section A (Q# 1….60) (60 Points) 
2. Answer on the Exam Sheet Section B, C, and D (Q# 61-90) (40 Points...
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NURSING 5140 All SG Questions Combined (Module 1-12) Study Questions And 100% Verified Answers 2023.
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NURSING 5140 All SG Questions Combined (Module 1-12) Study Questions And 100% Verified Answers 2023. Module 1 Study Questions 
Altered Cellular & Tissue Biology 
Ch. 2 
1. Compare and contrast cellular injury and adaptation. 
1. Compare and Contrast cellular injury and adaptation. 
Cellular Adaptation 
 Cellular adaptation is an alteration that enables the cell to maintain a steady state called 
homeostasis despite adverse conditions. It is the cells response to protect itself from injur...
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MCB EXAM 1 QUESTIONS & ANSWERS 2023/2024
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MCB EXAM 1 QUESTIONS & ANSWERS 2023/2024 
 
 
How large is our genome? - ANSWER-3200 million bp 
 
How many base pairs does the genome contain? - ANSWER-3 × 10^9 base pairs. 
 
How long is the genome when fully extended? - ANSWER-20,000 phone books long 
 
What is Chromatin? - ANSWER-the fibrous complex of eukaryotic DNA and histone proteins. 
 
Which are the main Histones? - ANSWER-H1, H2A, H2B, H3, and H4. 
 
What's the charge (polarity) of Histones? - ANSWER-Positive 
 
What amino acid resi...
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USMLE step 1 Biochemistry exam 2023 with 100% correct answers
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histones are rich in which 2 AA's - correct answer lysine & argenine 
 
Barr bodies (what, type of chromatin) - correct answer inactive X chromosomes 
heterochromatin (highly condensed, sterically inaccessible) 
 
less condensed, transcriptionally active, sterically accessible chromatin - correct answer euchromatin 
 
DNA methylation at CpG islands - correct answer represses transcription 
 
"CpG Methylation makes DNA Mute" 
 
DNA methylation (what is methylated and why?) - correct answer tem...