BIO 242 EXAM-REAL ACTUAL EXAM-LATEST UPDATE 2025 COMPLETE QUESTIONS WITH CORRRECT DETAILED ANSWERS RATED 100% CORRECT AND VERIFIED GUARANTEED PASS ALREADY GRADED A+

BIO 242 EXAM 1

1. WHAT IS THE PURPOSE OF A SWAN NECKED FLASK?: Pasteur's swan
necked flask shows that they remained free of microbes in the absence of
microorganisms, disproving the theory of spontaneous generation

2. A SPECIFIC ________ CAUSES A SPECIFIC DISEASE: microbe

3. WHICH SCIENTIST PROMOTED HAND SANITIZER?: Joseph Lister

4. GRAM STAINING IS WHAT TYPE OF STAINING?: differential staining

5. WHAT ARE THE 5 I'S OF MICROBIOLOGY (IN ORDER): inoculation
incubation isolation inspection identification

6. MAGNIFICATION IN MICROSCOPE: lower objective lens lower ocular lens

7. DNA IS A _________ HELIX: double

8. ATP IS WHAT TYPE OF MOLECULE?: energy molecule
9. POINT MUTATION: gene mutation in which a single base pair in DNA has been
changed



10. HORIZONTAL GENE TRANSFER- (1)CONJUGATION: conjugation requires
physical contact between two microorganism via an appendage known as the
pilli

11. HORIZONTAL GENE TRANSFER- (2) TRANSFORMATION: Transformation
does NOT require a physical interaction between two cells and is an indirect transfer
technique

12. HORIZONTAL GENE TRANSFER- (3) TRANSDUCTION: The final type of
horizontal gene transfer, transduction, is also an indirect transfer technique. This

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