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Exam 1: Introduction to Microbes and Their Building Blocks

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Question 41

Multiple Choice

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Organic chemicals always have a basic framework of the element _____ bonded to other atoms.

A) carbon
B) nitrogen
C) oxygen
D) hydrogen
E) phosphorous

F) C) and D)
G) D) and E)

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Question 42

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) B) and D)
G) A) and E)

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Question 43

Multiple Choice

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Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?

The names of the three domains are: Bacteria,Protista,and Eukarya (Eukaryota).

Disease-causing microorganisms are called

Nucleic acids have primary,secondary,tertiary,and quaternary levels of organization.

Which area of biology states that living things undergo gradual,structural,and functional changes over long periods of time?

Which pertains to DNA but not to RNA?

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. Wanda is a medical assistant and the newest employee of your healthcare team. You notice that she does not wash her hands in between patients. 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 take it upon yourself to educate Wanda on the importance of aseptic techniques. -Many microbes that inhabit the skin have the potential to cause disease.One such pathogen is Staphylococcus aureus.The genus name of this organism is

Which of the following is not a human use of microorganisms?

Purines and pyrimidines are components in the building block units of all

The smallest and most significant taxon is

Which of the following is not considered a microorganism?

The alpha helix is a type of _____ protein structure.

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

Please read the clinical scenario, and then answer the questions that follow to become familiar with the traditional NCLEX question format. Breonna Jones is 16 years old, 5’4”, and weighs 93 lb. She was admitted 2 days ago after collapsing at the local high school. Her parents knew she was skinny but had no idea how emaciated she was, or that her life was in danger. As you develop Breonna’s plan of care, you take into consideration the four major biological molecules that are building blocks of all cells. -Which statement correctly compares the sizes of different microorganisms?

A fat is called _____ if all carbons of the fatty acid chain are single bonded to two other carbons and two hydrogens.

Which of the following is not a pyrimidine?

The orderly arrangement of organisms into a hierarchy of taxa is called

Microbes have been found existing in salty,acidic lakes.