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Exam 1: Introduction to Microbes and Their Building Blocks

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Question 21

Multiple Choice

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The scientist(s) who proposed organisms be assigned to one of three domains is(are) ________.

A) Robert Koch and Louis Pasteur
B) Antonie van Leeuwenhoek
C) Carl Woese and George Fox
D) Robert Whittaker
E) Francesco Redi

F) None of the above
G) A) and E)

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Question 22

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One distinguishing characteristic of the archaebacteria is that they live in extreme environments.

A) True
B) False

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Question 23

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Breonna Jones is 16 years old, 5'4", and weighs 93 lb. She was admitted to an inpatient medical unit 2 days ago after collapsing at the local high school. Her parents knew she was skinny and had lost weight in the past few months, but had no idea that her life was in danger. The medical team has instituted treatment for anorexia nervosa. As you develop Breonna's nursing plan of care, you take into consideration the four major biological molecules that are building blocks of all cells -The structure of proteins is complex and unique,and only specific molecules can interact with their surface features.The natural shape of each protein is termed the native state.When proteins are exposed to heat,acid,or alcohol,their shape is disrupted and they become nonfunctional or ________.

All of the following are monosaccharides except ________.

ATP is best described as ________.

The most prevalent worldwide infectious diseases are ________.

The purine_______ always binds with the pyrimidine_______ in DNA and RNA.

Current evidence indicates that bacteria and archaea existed on earth for approximately 2 billion years before eukaryotes appeared.

If you were a microbiologist in 1950,which of the following scientific principles would you already know?

Organisms were classified into kingdoms as they were defined. Which list reflects the order of discovery of the kingdoms as we know them today?

Which of the following is a taxon that contains all the other taxa listed?

Taxonomy does not involve ________.

Which scientific name is written correctly?

A scientific theory,like the theory of evolution,is just our best guess at explaining a scientific phenomenon,but a theory cannot be considered fact.

Characteristics shared by all cells include

Which scientist showed that anthrax was caused by the bacterium,Bacillus anthracis?

Which scientific field is involved in the identification,classification,and naming of organisms?

Which is not true about enzymes?

The lipid group that serves as energy storage molecules is ________.

Wanda is a medical assistant and the newest employee of your healthcare team. You notice that she does not wash her hands in between patient visits. From your microbiology background, you understand that microbes are not visible with the naked eye. As the only nurse in your small medical office, you provide education for Wanda on the importance of hand washing. -Hand washing in the healthcare environment is aimed at reducing the number of microbes in the medical setting to prevent the spread of infection and disease.Which of these terms best represents this technique?