Which of the following organelles contain oxidative enzymes capable of oxidizing toxic substances?

Question

Question 1 All of the following are bloodborne pathogens in the health care setting except

Answers:

Hepatitis A

Hepatitis B

Hepatitis C

HIV

Question 2 Sucrose is composed of

Answers:

Glucose and galactose

Glucose and fructose

Fructose and maltose

Glucose and maltose

Question 3 Which of the following stains is generally used for the diagnosis of tuberculosis (TB)?

Answers:

Simple stain

Acid fast stain

Gram stain

Negative stain

Question 4 Which of the following industries use(s) microorganisms?

Answers:

Wine

Cheese

Chemical

All of the answers

Question 5 The cell organelles found only in algae and plant cells are

Answers:

Chloroplasts

Mitochondria

Vacuoles

Vesicles

Question 6 Which of the following organelles contain oxidative enzymes capable of oxidizing toxic substances?

Answers:

Mitochondria

Chloroplasts

Lysosomes

Peroxisomes

Question 7 The RNA nucleotide that base that pairs with adenine of DNA is

Answers:

Cytosine

Guanine

Thymine

Uracil

Question 8 The process where energy (ATP) is created in the presence of oxygen is known as:

Answers:

aerobic respiration

anaearobic respiration

fermentation

photosynthesis

Question 9 The organelles responsible for packaging proteins for transport are the:

Answers:

ribsomes

golgi complexes

lysosomes

rough ER

Question 10 Which of the following sites of the human body does not have a normal flora?

Answers:

Intestine

Skin

Vagina

Blood

Question 11 CDC stands for

Answers:

Centers for Disease Control and Prevention

Children's Disease Center

Central Disaster Control Center

Central Drug Evaluation and Control Center

Question 12 The group of organisms that includes yeasts and molds are known as _______

Answers:

Algae

Bacteria

Fungi

Viruses

Question 13 A relationship between organisms in which one organism is benefitted and the other is unaffected is called

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Mutualism

Competition

Synergism

Commensalism

Question 14 Media that contain added complex organic substances such as blood for the growth of specific bacteria are referred to as

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Enriched media

General-purpose media

Differential media

Reducing media

Question 15 The destruction of all microorganisms and their endospores is referred to as

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Disinfection

Degermation

Sanitization

Sterilization

Question 16 An inanimate object or substance capable of transporting pathogens from one medium or individual to another is referred to as a

Answers:

Vector

Fomite

Transporter

Transposon

Question 17 Chemically, most enzymes are

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Proteins

Lipids

Nucleic acids

Carbohydrates

Question 18 Which of the following lack nucleic acids?

Answers:

Archaea

Viruses

Prions

Bacteria

Question 19 How many different biosafety levels have been established for the handling of microorganisms?

Answers:

1

2

3

4

Question 20 During DNA replication, cytosine always undergoes complementary base pairing with which of the following nucleotides?

Answers:

Adenine

Guanine

Thymine

Uracil

Question 21 Starch is an example of a __________

Answers:

Protein

Carbohydrate

Lipid

Nucelic acid

Question 22 All bacteria are eukaryotic

Answers:

True

False

Question 23 Binary fission is a form of reproduction used by

Answers:

Viruses

Bacteria

Fungi

Helminths

Question 24 The stain that is used to identify bacteria with a large amount of peptidoglycan in their cell walls is the ________

Answers:

Methylene blue stain

Congo red stain

Simple stain

Gram stain

Question 25 Complex communities of microorganisms on surfaces are called

Answers:

Colonies

Biofilms

Biospheres

Flora