MIRCO Chapter 1: Introduction to Microbes and Their Building Blocks

Question 1

1. Which of the following is not considered a microorganism?
   a. alga
   b. bacterium
   c. protozoan
   d. flea

Answer 1

1. d. flea

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 2

2. Which process involves the deliberate alteration of an organism’s genetic material?
   a. bioremediation
   b. biotechnology
   c. decomposition
   d. recombinant DNA technology

Answer 2

2. d. recombinant DNA technology

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 3

3. Abiogenesis
   a. refers to the spontaneous generation of organisms from nonliving matter.
   b. explains the development of life forms from preexisting life forms.
   c. only takes place in the absence of aseptic technique.
   d. was supported by Pasteur’s swan-necked flask experiments.

Answer 3

3. a. refers to the spontaneous generation of organisms from nonliving matter.

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 4

4. When a hypothesis has been thoroughly supported by long-term study and data, it is considered
   a. a law.
   b. a speculation.
   c. a theory.
   d. proved.

Answer 4

4. c. a theory.

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 5

5. Which is the correct way to denote the scientific name of a microorganism?
   a. e. coli
   b. E. coli
   c. E. coli
   d. e. Coli

Answer 5

5. c. E. coli

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 6

6. Which of the following is an acellular microorganism lacking a nucleus?
   a. bacterium
   b. helminth
   c. protozoan
   d. virus

Answer 6

6. d. virus

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 7

7. Which is a correct statement about proteins?
   a. They are made up of nucleic acids.
   b. They contain fatty acids.
   c. They primarily serve as an energy source within the cell.
   d. Their shape determines their function.

Answer 7

7. d. Their shape determines their function.

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 8

8. DNA is a hereditary molecule that is composed of
   a. deoxyribose, phosphate, and nitrogen bases.
   b. deoxyribose, a pentose, and nucleic acids.
   c. sugar, proteins, and thymine.
   d. adenine, phosphate, and ribose.

Answer 8

8. a. deoxyribose, phosphate, and nitrogen bases.

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 9

Chapter 1 NCLEX Prep

1. For which of the following disease processes has microbial infection been implicated?
   Select all that apply.

a. gastric ulcers
b. diabetes type 1
c. renal artery stenosis
d. schizophrenia
e. obesity
f. deep vein thrombosis

Answer 9

1. a. gastric ulcers
   b. diabetes type 1
   d. schizophrenia
   e. obesity

Chapter 1: Introduction to Microbes and Their Building Blocks

Question 10

Chapter 1 NCLEX Prep

2. Which one of the following statements about lipids is correct?
   a. Saturated fats contain many double bonds.
   b. Unsaturated fats do not have double bonds.
   c. Fatty acids contain 9 kilocalories per gram.
   d. Steroids consist of chain structure molecules.

Answer 10

2. c. Fatty acids contain 9 kilocalories per gram.

Chapter 1: Introduction to Microbes and Their Building Blocks