Question 1

Which type of microscope is typically used for the visualization of FA (fluorescent antibody) test results?

Accepted Answer

Fluorescence microscope

Question 2

Why is Francesco Redi's experiment considered a controlled experiment?

Accepted Answer

He used both uncovered and covered jars

Question 3

Which of the following is an example of a positive control in an experiment testing a new anti-inflammatory drug?

Accepted Answer

A known effective anti-inflammatory drug

Question 4

Bacteria are prokaryotic organisms, multiply through binary fission, and have cell walls. Which of the following organisms fits the description of a bacteria?

Accepted Answer

B. anthracis

Question 5

Which part of the compound light microscope is responsible for sharpening light into a precise cone to illuminate the specimen?

Accepted Answer

Condenser

Question 6

Which of the following statements about the different flagellar arrangements in bacteria is true?

Accepted Answer

Amphitrichous: a single flagellum, usually at one pole

Question 7

All of the following can cross the plasma membrane with the help of transport proteins embedded in the plasma membrane, except:

Accepted Answer

Cortisol

Question 8

Which of the following statements about fimbriae is true?

Accepted Answer

Question 9

What name do we give to newly formed compounds after an initial set of compounds has undergone a chemical change?

Accepted Answer

Products

Question 10

What is the immediate product of the decarboxylation step in the conversion of pyruvate to acetyl-CoA?

Accepted Answer

Acetyl phosphate

Question 11

Which of the following is NOT a product of the light reactions in photosynthesis?

Accepted Answer

Glucose

Question 12

Which type of metabolism is associated with reactions involving the removal of a water molecule to join two molecules together?

Accepted Answer

Anabolism only

Question 13

Which condition would favor the production of lactic acid by bacteria?

Accepted Answer

Absence of oxygen

Question 14

To which part of the enzyme can the substrate bind?

Accepted Answer

Active site

Question 15

Lactobacillus is a facultative anaerobe. What kind of metabolism does it follow during the absence of oxygen for extracting energy?

Accepted Answer

Lactic Acid Fermentation

Question 16

Which of the following liquid chemicals is most effective against endospores?

Accepted Answer

Glutaraldehyde

Question 17

In the study of plant physiology, what term is used to describe substances that plants require but cannot synthesize and must therefore absorb from their environment?

Accepted Answer

Essential nutrients

Question 18

Which of the following best describes the appearance of bacteria exhibiting α hemolysis on a blood agar plate?

Accepted Answer

A greenish or brownish discoloration around the colonies

Question 19

In complex media, the proteins from cell extracts are partially digested into which of the following?

Accepted Answer

Peptones

Question 20

Which type of bacteria requires reducing media for cultivation?

Accepted Answer

Obligate anaerobic

Core Concepts in Microbiology: Study Guide with Key Principles and Applications

Guida di studio - Domande di pratica

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