MICROBIOLOGY STRAIGHTERLINE TEST ACTUAL FINAL EXAM COMPLETE 100 REAL EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS (BRAND NEW VERSION!!)

Straighterline Micro 250 final prep
b b b b




Straighterline Micro 250 final prep
b b b b b




1b/b68

,Straighterline Micro 250 final prep
b b b b




2b/b68

, Straighterline Micro 250 final prep b b b b




1. Which class of eukaryotic microorganisms can be subdivided into groups s
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uch as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa?
b b b b b b




A. Helminths b




B. Algae

C. Protozoa

D. Fungi: Protozoa b




2. Genetic material can be excised from one chromosome and directly integr
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ated into another via A. conjugation.
b b b b b




B. transformation.

C. transduction.

D. transposons.: transposons. b




3. Which immune cell secretes numerous cytokines that help to coordinate the
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b response of other immune cells?
b b b b




A. B cellb




B. TH cell b




C. TC cell b




3b/b68

, Straighterline Micro 250 final prep b b b b




D. Platelets: TH cell b b




4. Which of the following enzymes are used to amplify DNA during PCR?
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A. restriction endonuclease b




B. DNA polymerase b




C. reverse transcriptase b




D. DNA ligase: DNA polymerase b b b




5. In the nitrogen cycle, which of the following steps involves removal of nitr
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ogen from the atmosphere by bacteria?: nitrogen fixation, In nitrogen fixation, nitr
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ogen is removed from the atmosphere by nitrogen-
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fixing bacteria and converted to ammonia.
b b b b b




6. If enough h+ ions are added to pure water to raise the H+ concentration of
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the solution to ten times higher than the original concentration, what is the res
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ulting OH- concentration of the solution?: 10 -8M
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7. Fungi are able to reproduce asexually by creating conidiospores and spo
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rangiospores. Which of the following is an accurate explanation for why it is a
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dvantageous that they are also capable of sexual reproduction? b b b b b b b b




Select one: b




a. Asexually produced offspring are more likely to compete for resources an
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d will kill off the parental fungi.
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b. Fungi normally produce sexually but produce asexually in harsh conditio
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ns such as severe drought.
b b b b




4b/b68