Name: Len S Multiple choice Questions (one answer) Virus, Prions, Algae) Use the

Question

Name: Len S Multiple choice Questions (one answer) Virus, Prions, Algae) Use the key words to answer Q1-Q5. (Bacteria, Fungi. creutzfeldt-Jakob disease. 1. Members this group have caused "mad cow disease" of and include unicellular and mutticelular forms, and are the of this group and foundation of aquatic food chains. that nitrogen, make antibiotics, vitamins 3. This group includes beneficial microorganisms fix strep throat. enzymes, as well as harmful microorganisms that cause disease such as and plague 4. Members of this group include decomposers, with plant and helpplants grow, roots produce tibiotics, help bread rise, make wine. an s. Members of this microbial group cause serious diseases such as smallpox ADs, Ebola fever, and 6. Three the SSU rRNA sequences of 3 have been compared. For organisms 1 and 2, two of the twelve nucleotides in the sequence are different. For 1 and 3, of the twelve six are Which organism has greater evolutionary distance from organism 1? different. nism 2 a. Orga b, The evolutionary distance is the same from this data. focus on the specimen, are be predicted they organism 3 d. Evolutionary distance cannot changed without losing 7. If the objective lenses of a can be microscope said to be parfocal. equifocal. vew of the a. b. optifocal, c for a three-dimensional 8. Which type of microscopy would be preferred cell surface? of flagella on a bacterial a Fluorescence b Scanning electron d. Bright-field microscopy working distance #9 9, As the magnification of a series of objective lenses increases, the b, increases c. stays the same. of microscopy would d cannot be predicted. protein. Which type 10. You are researching the structure of a transmembrane provide you the best view of this protein?

Explanation / Answer

1.prions

2.algae

3.bacteria

4.fungi

5.virus

6.Organism 3

7.parfocal

8.Scanning electron microscopy

9.decreases

10.atomic force microscopy

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