Nitrogenous bases Study guides, Class notes & Summaries
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Edexcel A Level Biology Paper 1 Mark Scheme June 2023 (Salters Nuffield)
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uestion 
Number 
Answer Mark 
1(a) The only correct answer is C a place where an organism lives 
A is incorrect because a group of organisms of different species living in the same area is a 
community 
B is incorrect because a group of organisms of the same species living in the same area is a 
population 
D is incorrect because the role of an organism is its niche 
(1) 
Question 
Number 
Answer Additional guidance Mark 
1(b)(i) A description that makes reference to three of the following 
• ...
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MN 551 Midterm Exam 2023/2024 Latest Q&A Included (100% Verified)
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MN 551 Midterm Exam 2023/2024 
 
Saved 
A patient is experiencing impaired circulation secondary to increased systemic arterial pressure. Which of the following statements is the most relevant phenomenon? 
Question 1 options: 
Increased preload due to vascular resistance 
High afterload because of backpressure against the left ventricle 
Impaired contractility due to aortic resistance 
Systolic impairment because of arterial stenosis 
Question 2 (2 points) 
 
Saved 
A nurse practitioner employe...
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COMPLETE A+ TEST BANK for Microbiology Fundamentals: A Clinical Approach 4th Edition Marjorie Kelly Cowan & Heidi Smith (2022), Chapters 1-22, ISBN13: 9781260702439
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Chapter 01: 
 Introduction to 
 Microbes and Their 
 Building Blocks 
 
Multiple Choice Questions 
 
 
1)	The major groups of microorganisms studied 
by microbiologists include	. 
 
A)	bacteria 
B)	plants 
C)	helminths 
D)	algae 
E)	fungi 
F)	viruses 
G)	archaea 
H)	protozoa 
 
 
 
2)	Select all answers that are roles played by microorganisms in our environment. 
 
 
A)	Carry out photosynthesis 
B)	Biological decomposition 
C)	Nutrient recycling 
D)	Complex relationships with animals but not pl...
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Lab 7 Microbial Genetics & Genetic Engineering BIO250L/ 2024 Updates. VERIFIED.
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Lab 7 Microbial Genetics & Genetic Engineering BIO250L 
Student Name: GILBBIN 
Access Code (located on the lid of your lab kit): AC-X6 
Lab Report Format Expectations 
Utilize college level grammar and professional formatting when completing this worksheet. 
Submissions without proper formatting, all required photos or sufficient responses will be rejected. 
Pre-lab Questions 
1. Why are the concepts in Lab 7 important in the field of microbiology? 
Microbial genetics forms the cornerstone of un...
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Biology Microbiology Final Exam Essential Microbiology with Lab 2022 (30 Questions and Answers)- Portage Learning
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Biology Microbiology Final Exam Essential Microbiology with Lab 2022 (30 Questions and Answers)- Portage Learning 
Match each of the following organelles with the correct description. 
Briefly explain how a Transmission Electron Microscope (TEM) forms an 
image of subcellular organelles, substrates, and viral particles. 
Match each of the following diseases to the correct bacterial family 
Describe the primary distinction between prokaryotic and eukaryotic cells 
Match each of the following term...
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Stern's Introductory Plant Biology 14th Edition James Bidlack - Test Bank
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Stern's Introductory Plant Biology, 14e (Bidlack) Chapter 1 What Is Plant Biology? 
1) The early scientist who first demonstrated experimentally that plants do not have the same modes of nutrition as animals was 
A) Nehemiah Grew. 
B) Carl Willdenow. 
C) Alexander von Humboldt. D) Sir J. D. Hooker. 
E) J. B. van Helmont. 
Answer: E 
Topic: Diversification of Plant Study 
Bloom's: 1. Remember 
Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines ...
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ADVANCED PATHOPHYSIOLOGY- UTMB 5355 EXAM #1 Questions And Answers ( Verified )
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ADVANCED PATHOPHYSIOLOGY- UTMB 5355 EXAM #1 Questions And Answers ( Verified ) 
 
Transcription - ANS synthesis of RNA from DNA 
 
Transcription results in - ANS mRNA 
 
RNA polymerase makes - ANS mRNA 
 
mRNA - ANS makes proteins 
 
RNA polymerase - ANS binds to DNA 
 
Transcription factors (TFs) - ANS A regulatory protein that binds to DNA and affects transcription of specific genes. Can wither activate or repress expression of genes 
 
Termination of transcription - ANS RNA poly...
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ASU BIO 181: EXAM 2 Questions with 100% correct Answers
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Which strand is produced more rapidly? - ANSWER-Leading strand 
 
During DNA replication in the lagging strand there is production of this component? - ANSWER-Okazaki fragment 
 
How many "stop" codons exist? - ANSWER-3 
 
The double helix of DNA is wrapped about 1¾ times around which of these components? - ANSWER-Nucleosome 
 
Which enzyme unwraps the double helix? - ANSWER-Helicase 
 
In the ribosome, what is the name of the bond that links one amino acid to the next? - ANSWER-peptide bonds...
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Edexcel as level biology question paper 2 ju ne 2023 salters Nuffield + mark scheme
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Mark Scheme (Results) 
Summer 2023 
Pearson Edexcel GCE 
In Biology Spec A (8BN0) Paper 02 
Development, Plants and the EnvironmentEdexcel and BTEC Qualifications 
Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. We provide a wide range of qualifications 
including academic, vocational, occupational and specific programmes for employers. For further information, please visit our website at 
. 
Our website subject pages hold useful resources, support mate...
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NURS 190 (WEEK 6) URINARY & ABDOMEN SYSTEM|QUESTION WITH CORRECT ANSWERS|GRADED A
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Urinary System Correct Answer Kidneys 
 
Ureters 
 
Bladder 
 
Urethra 
 
-Female Urethra- 3-4 cm (1.5 inch) long 
-Male Urethra- 20 cm (8 inches) long 
 
Function of the Kidneys Correct Answer -Eliminate nitrogenous products, toxins, excess ions, drugs 
 
-Regulate volume and chemical makeup 
 
-Maintain balance of water/salt, acids/bases 
 
-Produce renin 
 
-Erythropoietin 
 
-Vitamin D synthesis 
 
Glomerular Correct Answer clusters of capillaries of the kidney. Filters one liter of fluid/mi...
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BIO 210 FINAL EXAM GENETICS 2024 ACTUAL EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+
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BIO 210 FINAL EXAM GENETICS 2024 
ACTUAL EXAM 300 QUESTIONS AND 
CORRECT DETAILED ANSWERS WITH 
RATIONALES ANSWERS ALREADY 
GRADED A+ 
A nucleotide is made up of what 3 components? - CORRECT ANSWERphosphate group, pentose sugar (deoxyribose in DNA and ribose in RNA), 
and a nitrogenous base 
What nitrogenous bases are purines - CORRECT ANSWER-Adenine and 
Guanine 
What nitrogenous bases are pyrimidines? - CORRECT ANSWERcytosine, thymine, uracil 
How can you differentiate between purines and pyri...
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