Ultracentrifugation Study guides, Class notes & Summaries
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EXAMINATION TEST BANK OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY
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EXAMINATION TEST BANK OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY -1.	Who first designed the microscope, saw and sketched microbes? 
A.	Louis Pasteur 
B.	Robert Koch 
C.	Ilya Mechnikov 
D.	Dmitri Ivanovsky 
E.	Antonie Philips van Leeuwenhoek 
2.	Without which structures, bacteria cannot carry out their activities? 
A.	Capsule 
B.	Spors 
C.	Volutine granules 
D.	Nucleoid 
E.	Flagella 
3.	What structure determines the shape of a bacterial cell? 
A.	Cytoplasmic membrane 
B.	Capsid 
C.	Capsule 
D.	Spore...
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QBM All of the Practice Exams Questions And Answers With Complete Solutions 2024
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QBM All of the Practice Exams Questions 
And Answers With Complete Solutions 2024 
d. protein as a cartoon model, DNA as a ball-and stick model. 
The image below shows 
a. protein as a ball-and-stick model, DNA as a molecular surface representation. 
b. DNA as a ball-and-stick model, protein as a molecular surface representation. 
c. both as ball-and-stick models. 
d. protein as a cartoon model, DNA as a ball-and stick model. 
e. both as cartoon models. 
b. DNA is responsible for bacterial trans...
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QBM All of the Practice Exams Questions And Answers With Complete Solutions 2024
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QBM All of the Practice Exams Questions 
And Answers With Complete Solutions 2024 
d. protein as a cartoon model, DNA as a ball-and stick model. 
The image below shows 
a. protein as a ball-and-stick model, DNA as a molecular surface representation. 
b. DNA as a ball-and-stick model, protein as a molecular surface representation. 
c. both as ball-and-stick models. 
d. protein as a cartoon model, DNA as a ball-and stick model. 
e. both as cartoon models. 
b. DNA is responsible for bacterial trans...
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AQA A LEVEL BIOLOGY 2023(Exam Elaboration)
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AQA A LEVEL BIOLOGY 2023(Exam 
Elaboration) 
What is the function of the cell membrane? - CORRECT ANSWER-To control what 
enters and leaves the cell, acts as a barrier between the cell and its environment. 
What structural feature of the cell membrane allows substances to enter/leave? - 
CORRECT ANSWER-Partially permeable 
What is the fluid mosaic model? - CORRECT ANSWER-States that a membrane is a 
fluid structure (because phospholipids are constantly moving) with a "mosaic" of various 
p...
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AQA A level Biology Revision All Answers Correct
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AQA A level Biology Revision All Answers Correct 
Describe how you would use a biochemical test to show that a solution contained a non-reducing 
sugar, such as sucrose. [3] 
,first reducing sugars test; boil with dilute HCl acid then Neutralise with 
NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present 
Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] 
(Crush in) ethanol / alcohol; Add (to) water ...
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EXAMINATION TEST BANK OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY
- Other • 156 pages • 2023
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EXAMINATION TESTS OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY DISCIPLINE 
 
Basic bacteriology 
1.	Who first designed the microscope, saw and sketched microbes? 
A.	Louis Pasteur 
B.	Robert Koch 
C.	Ilya Mechnikov 
D.	Dmitri Ivanovsky 
E.	Antonie Philips van Leeuwenhoek 
2.	Without which structures, bacteria cannot carry out their activities? 
A.	Capsule 
B.	Spors 
C.	Volutine granules D. Nucleoid 
E. Flagella 
3.	What structure determines the shape of a bacterial cell? 
A.	Cytoplasmic membrane 
B.	...
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AQA A Level Biology Paper 1 EXAM QUESTIONS 208 TERMS WITH VERIFIED DEFINITIONS UPDATED 2024
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AQA A Level Biology Paper 1 EXAM QUESTIONS (208 TERMS) WITH VERIFIED DEFINITIONS UPDATED 2024 
Water removed from the reactants joining two molecules together forming a chemical bond 
The addition of water to the reactants to break a chemical bond between 2 molecules 
1. Add Benedict's reagent. 2. Heat the solution in a water bath for 5 minutes at 95 degrees Celsius. 3. Change from blue to brick red as CuO formed 
Smaller units from which larger molecules are made 
1. Add 2cm³ of food sample t...
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AQA A level Biology Revised Questions And Answers 2023
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AQA A level Biology Revised Questions 
And Answers 2023 
Describe how you would use a biochemical test to show that a solution contained a nonreducing sugar, such as sucrose. [3] - CORRECT ANSWER-,first reducing sugars test; 
boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 
degrees C brick red ppt forms if reducing sugar is present 
Describe a chemical test you could carry out to show that a piece of coconut contains 
lipids. [3] - CORRECT ANSWER-(Crush in)...
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MMSC490 Practice Exam 1|123 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 25 pages • 2024
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MMSC490 Practice Exam 1|123 Questions with Verified Answers 
 
cytoplasmic organelles are: 
a. absent in prokaryotic cells and present in eukaryotic cells. 
b. present in both prokaryotic and eukaryotic cells. 
c. present in prokaryotic cells and absent in eukaryotic cells. 
d. absent in both prokaryotic and eukaryotic cells. - CORRECT ANSWER a. absent in prokaryotic cells and present in eukaryotic cells 
 
E. coli is a useful model system for molecular biology studies because: 
a. it has a smal...
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AQA A LEVEL BIOLOGY Paper 1 2022 With Complete Solutions
- Exam (elaborations) • 13 pages • 2023
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Capsule (slime) - ANSWER Protects the bacteria from attack by cells of the immune system. 
 
Flagellum - ANSWER Rotates to make the cell move. 
 
Viruses - ANSWER Acellular. 
Invade and reproduce inside the cells of other organisms. 
 
What is magnification? - ANSWER How much bigger the image is that the specimen. 
 
What is resolution? - ANSWER The ability of the microscope to distinguish between two points that are close together. 
 
Light/optical microscopes - ANSWER Uses light. 
Max resolut...
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