Single strand - Study guides, Revision notes & Summaries
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2024 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 VERIFIED / Biology AQA AS level 7401/1 Paper 1
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2024 AQA AS BIOLOGY 7401/1 
Paper 1 Question Paper & 
Mark scheme (Merged) June 
2023 VERIFIED / Biology AQA 
AS level 7401/1 Paper 1 
Describe the induced-fit model of enzyme action - ANSWER-- 
active site not complementary to/does not fit substrate 
- Shape of active site changes as enzyme- substrate complex forms 
- Distorting bonds (in substrate leading to reaction) 
• The human cell then makes a complementary strand to the HIV DNA. 
The complementary strand is made in the same way as a ne...
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Testbank for Biology 2nd Edition from OpenStax College
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Testbank for Biology 2nd Edition from OpenStax CollegeChapter 1 1 Figure 1.6 1: C; 2: F; 3: A; 4: B; 5: D; 6: E. The original hypothesis is incorrect, as the coffeemaker works when plugged into the outlet. Alternative hypotheses include that the toaster might be broken or that the toaster wasn't turned on. 3 Figure 1.16 Communities exist within populations which exist within ecosystems. 4 B 6 D 8 C 10 C 12 B 14 D 16 Answers will vary, but should apply the steps of the scientific method. One poss...
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BSC 108 Exam 3 Kennedy Questions and Answers Solved 100% Correct!!
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The structure of a strand of DNA. - Answer-it is a double helix, like a twisted ladder. 
the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate 
backbone (made of deoxyribose and a phosphate group) 
What are the nucleotide subunits? - Answer-adenine, guanine, cytosine, and thymine 
How are the subunits held together? - Answer-through a hydrogen bond 
What are the nucleotide subunits compliments? - Answer-Adenine and thymine 
cytosine and guanine 
How does D...
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Technologist in Molecular Biology, MB(ASCP) board exam prep 2024 with 100% Correct Answers
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Technologist in Molecular Biology, MB(ASCP) 
board exam prep 2024 with 100% Correct 
Answers 
Pyrimidine - Answer ️️ -One carbon ring 
Cytosine, Thymine, Uracil 
What is the function of mRNA? - Answer ️️ -Carries genetic info out of nucleus 
Transcript translated to protein 
What is the function of tRNA? - Answer ️️ -Carries aa to ribosome 
Anticodon pairs with codon on mRNA strand 
What is the function of rRNA? - Answer ️️ -part of ribosome structure 
most abundant RNA 
coordina...
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IB Biology Paper 2 Section B Questions and Answers Already Passed
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IB Biology Paper 2 Section B Questions 
and Answers Already Passed 
Draw a labelled diagram of the human adult male reproductive system. [5 marks] a. scrotum 
- shown around testes; 
b. testes/testis/testicles - shown inside scrotum; 
c. epididymis - shown adjacent to testis and connected to sperm duct; 
d. sperm duct/vas deferens - double line connecting testis/epididymis to urethra; e. seminal 
vesicle - sac shown branched off sperm duct (not off the urethra); 
f. prostate gland - shown positi...
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AORN Periop 101 Final Exam 2024
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AORN Periop 101 Final Exam 2024 
Who can provide anesthesia care? (4) - Answer ️️ -1. Anesthesiologists 
2. CRNA's 
3. Anesthesia assistants 
4. Periop nurses 
4 types anesthesia - Answer ️️ -General - loss of consciousness 
Regional - loss of sensation 
Local - small area loss of sensation 
MAC - IV 
Whose responsibility during MAC to monitor pt? - Answer ️️ -RN 
What should RN monitor during MAC? (3) - Answer ️️ -1. Extravasation of IV 
2. Reduction of arterial O2 sat 
3. Diff...
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MB (ASCP) Exam questions and answers latest 2023
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MB (ASCP) Exam questions and answers latest 2023Predominant form of DNA 
Right-handed B 
 
 
 
DNA and histone interaction is due to what type of bond? 
Ionic 
 
 
 
What stains to the minor groove of DNA duplex? 
SYBR Green 
 
 
 
What is the most abundant type of RNA? 
Ribosomal RNA (rRNA) 
 
 
 
What does RNA act as in a retrovirus? 
Genome and mRNA 
 
 
 
What increases half-life of mRNA? 
5' Methyl Cap 
 
 
 
What kind of DNA is most likely to be transcriptionally active? 
Euchromatin 
 
 ...
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WGU D115 Objective Assessment (Latest 2023/ 2024) Advanced Pathophysiology for the Advanced Practice Nurse|300+ Questions and Verified Answers|100% Correct
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WGU D115 Objective Assessment: Advanced Pathophysiology for the Advanced Practice Nurse|300+ Questions and Verified Answers|100% Correct 
 
Q: A 17-year old female was diagnosed with angular cheilitis. She had treatment failure after a course of topical antibiotics, topical steroids, moisture barrier creams, and antifungals were prescribed. What would be the most appropriate next step in this patient's plan of care? 
A) Refer the patient to an allergist 
B) Refer the patient to a dermatologist 
...
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Biology 1201 Final Exam Moroney LSU Questions With Correct Answers!!
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An element has 8 protons, 9 neutrons, and 8 electrons. What are its atomic number and mass? - 8 
and 17 
How many and what type of bonds does sulfur usually form in biology? - 2 covalent 
A molecule that has all non polar covalent bonds would be________. - hydrophobic 
What substance makes up the interior of a potato tuber? - starch 
What is an example of a lipid? - triglyceride 
One characteristic shared by sucrose, lactose, and maltose is that __________. -they are all 
dissacharides 
The over...
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Chem 110 Final Review - Coastline Community College | Questions with 100% Correct Answers | Latest Version 2024 | Verified
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In an oxidation of an alcohol to a ketone there is: - a loss of hydrogen 
What kind of bonds do alcohols form between individual molecules? - hydrogen bonds 
A carbohydrate that gives two molecules when it is completely hydrolyzed is known as: - a 
disaccharide 
The base sequence of the strand to DNA complementary to the segment T-G-G-C-A-A-C is: - A-C-C-GT-T-G 
Saturated hydrocarbons have these types of bonds between carbon atoms. - single bonds 
Unsaturated hydrocarbons have these types of bon...
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NURS 5354 Final Exam With Complete Questions and Answers
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NURS 5354 Final Exam With Complete Questions and Answers...
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