Immersion oil and Cyst Essay

Helical and icosahedra are terms used to describe the shapes off virus Answer I Selected Answer: I sapid I Correct Answer: I sapid I 0 Question 5 I The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was Answer I I Selected Answer: I Antonio van Leeuwenhoek I Correct Answer: I Antonio van Leeuwenhoek I 0 Question 6 I Which of the following characteristics refers to the microscope’s ability to show two separate entities as separate and distinct? Answer I Answer: Resolving power I Correct Answer: I Resolving power I 0 Question 7

I All microorganisms are best defined as organisms that Answer I Selected Answer: I Are too small to be seen with the unaided eye Answer: I Are too small to be seen with the unaided eye I 0 Question 8 I The outcome of the Gram stain is based on differences in the Answer I I Selected Answer: I cell wall construction Correct Correct Answer: I cell wall construction I 0 Question 9 I Parasitic worms have a highly developed Selected Answer: I Reproductive I Correct Answer: I Reproductive I 0 Question 10 system.

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Answer I The term that refers to the presence of flagella all over the cell surface is Answer I Selected Answer: I Perspicuous I Correct Answer: I Perspicuous I 0 Question 11 I Which type of medium is able to distinguish different species or types of microorganisms based on an observable change in the colonies or in the medium? I Selected Answer: I Differential I Correct Answer: I Differential I 0 Question 12 O out of 2 points I Which group of microorganisms is composed only of nucleic acids wrapped in a protein covering? Answer I Viruses I Correct Answer: 0 Question 13 Selected Answer: Bacteria I I Host cells of viruses include Answer I I Selected Answer: I All of the choices are correct I Correct Answer: f the choices are correct I 0 Question 14 All I During unfavorable growth conditions, many protozoa can convert to a resistant, dormant stage called Alan Answer I I Selected Answer: I Cyst I Correct Answer: I Cyst I 0 Question 15 Manual of Systematic Bacteriology is a manual of bacterial descriptions and collaborationist’s I I Selected Answer: I [None Given] I Correct Answer: I Serge’s 0 Question 16 I Which structure protects bacteria like Streptococcus pneumonia from being phagocyte by your white blood cells in the alveoli? Answer I Answer: I Capsule I Correct Answer: I Capsule I Question 17 I Which is not a characteristic of fungi? Answer Answer: I Absorptive heterozygous I Correct Answer: I Photosynthetic I 0 Question 18 has the same optical qualities as glass and thus prevents refractive loss of light as it passes from the slide to the objective lens.

Immersion oil Case StudyI Selected Answer: I Immersion oil I Correct Answer: I Immersion oil I 0 Question 19 I Koch’s postulates are criteria used to establish that Answer I Selected Answer: I A specific microbe is the cause of a specific disease Answer: I A specific microbe is the cause of a specific disease I Question 20 I Alphanumerically is an important cell wall component of I Selected Answer: I Gram negative bacteria I Correct Answer: I Gram negative bacteria I 0 Question 21 I What do the Gram stain, acid-fast stain and endosperm stains all have in common? Answer I I Selected Answer: I Outcome based on cell membrane differences I Correct Answer: I Are differential stains I Question 22 I All of the following structures contribute to the ability of pathogenic bacteria to cause disease except Answer I Selected Answer: I Inclusions or granules I Correct Answer: I Inclusions or granules I Question 23 I The long, thread-like branching cells of molds are called Answer

Selected Answer: I Hyper I Correct Answer: I Hyper I 0 Question 24 I The Five Xi’s to studying microorganisms include all to the tolling except Selected Answer: I Infection I I Infection I Question 25 t Answer I A nutrient medium that has all of its chemical components identified and their precise concentrations known and reproducible down to the last atom, would be termed Answer I I Selected Answer: I Synthetic or chemically defined I Correct Answer: I Synthetic or chemically defined I Question 26 I A bacterial cell could have any of the following appendages except Answer I I Selected Answer: I cilia I Correct Answer: I cilia I Question 27 I What type of isolation technique is most effective for producing single colonies representing pure cultures on an agar plate? I Selected Answer: I Streak plate I Correct Answer: I Streak plate I Question 28 I The essential genetic material of bacteria needed for daily lifesaver I Selected Answer: I makes up one chromosome I Correct Answer: I all of the choices are correct I Question 29 I Which of the following is mismatched?

Answer I Answer: I Inclusions – excess cell nutrients and materials I Correct Answer: Plasmids – genes essential for growth and metabolism I Question 30 I The function of bacterial endosperm is Answer I Answer: I Protection of genetic material during harsh conditions I Correct Answer: I Protection of genetic material during harsh conditions I 0 Question 31 I Which of the following is a taxonomy that contains all the other tax listed? Answer I Selected Answer: I species I Correct Answer: I kingdom I Question 32 I Protozoa are classified according to this characteristic:Answer Selected Answer: I movement I Correct Answer: I movement I Question 33 I Which of the following does not pertain to hilliness? Answer Selected Answer: I Have various organ systems I

Correct Answer: I Members of Kingdom Prosiest I 0 Question 34 I A chain of rod-shaped cells would be called Alan Answer I Answer: I Streptococcus’s I Correct Answer: I Streptococcus’s I Question 35 I Disease-causing microorganisms are specifically called Answer I Selected Answer: I Pathogens I Correct Answer: I Pathogens I Question 36 I Which term is not used to describe bacterial cell shapes? Answer Selected Answer: I tetras I Selected Question 37 I A pure culture contains Answer I I Selected Answer: I Only one species of microorganism Answer: I Only one species of microorganism I Question 38 I From the list below, which eukaryotic cell organelle most resembles a bacterial cell?

Answer I I Selected Answer: I Mitochondria I Correct Answer: I Mitochondria I Question 39 I Which of the following is a correctly written scientific species name? Answer I Selected Answer: I Streptococcus phosgene I Correct Answer: I Streptococcus phosgene I 0 Question 40 I The endometriosis hypothesis has been developed to explain the emergence of I Selected Answer: I Eukaryote I Correct Answer: I Eukaryote I 0 Question 41 I Which kingdom does not contain any eukaryote? I Selected Answer: I Moaner I Correct Answer: I Moaner I 0 Question 42 I A microbiologist inoculates Staphylococcus epidermis (G+ Cisco) and Escherichia coli ) into a culture medium. Following incubation, only the E. Coli grows in the culture.

What is the most likely explanation? Answer Selected Answer: I The culture is contaminated I Correct Answer: I The culture medium must be selective I 0 Question 43 I Which of the following is mismatched? Answer Answer: I Lessoning conversion – Brio cholera Lessoning conversion – Brio cholera I 0 Question 44 I All of these scientists were involved with refuting the idea of Spontaneous Generation with the exception of: Answer I Answer: I Redid I Correct Answer: I Koch I 0 Question 45 I If a microbiologist is studying a specimen at a total magnification of XX, what is the magnifying power of the objective lens if the ocular lens is 1 OX?

x

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