Question: Lipids that act as storage molecules in cells are called: Wax Triglycerides Phospholipids Peptidoglycan Glycogen

Lipids that act as storage molecules in cells are called: Wax Triglycerides Phospholipids Peptidoglycan Glycogen Correct Answer: Triglycerides

 

Question: A prokaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid is characteristic of a/an ________ organism. Gram negative Gram positive Archaea Endospores Algae

A prokaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid is characteristic of a/an ________ organism. Gram negative Gram positive Archaea Endospores Algae Correct Answer: Gram positive

 

Question: Calculate the total magnification if you are using a microscope with an ocular magnification of 10x and an objective magnification of 300x. 310x 30x 3000x 210x

Calculate the total magnification if you are using a microscope with an ocular magnification of 10x and an objective magnification of 300x. 310x 30x 3000x 210x Correct Answer: 3000x

 

Question: Alpha helices and beta sheets are examples of: Protein primary structures Protein secondary structures Protein tertiary structures Protein quaternary structures

Alpha helices and beta sheets are examples of: Protein primary structures Protein secondary structures Protein tertiary structures Protein quaternary structures Correct Answer: Protein secondary structures

 

Question: Which type of microscope can be used to observe viruses? Phase Contrast Bright Field Scanning Electron Microscope Both Phase Contrast & Bright Field Both Bright Field & Scanning Electron

Which type of microscope can be used to observe viruses? Phase Contrast Bright Field Scanning Electron Microscope Both Phase Contrast & Bright Field Both Bright Field & Scanning Electron Correct Answer: Scanning Electron Microscope

 

Question: Cilia are limited to which of the following groups of microbes? Algae Bacteria Fungi Protozoa

Cilia are limited to which of the following groups of microbes? Algae Bacteria Fungi Protozoa Correct Answer: Protozoa

 

Question: Which organism causes freshwater harmful algal blooms around the world? Microcystis aeruginosa Pseudomonas aeruginosa Naegleria fowleri Saccharomyces cerevisiae

Which organism causes freshwater harmful algal blooms around the world? Microcystis aeruginosa Pseudomonas aeruginosa Naegleria fowleri Saccharomyces cerevisiae Correct Answer: Microcystis aeruginosa

 

Question: The “run” movement of bacterial flagella is characterized by which of the following? Clockwise rotation of the flagellum A sudden stop and change in direction Counterclockwise rotation of the flagellum Movement away from a positive chemical stimulus

The “run” movement of bacterial flagella is characterized by which of the following? Clockwise rotation of the flagellum A sudden stop and change in direction Counterclockwise rotation of the flagellum Movement away from a positive chemical stimulus Correct Answer: Counterclockwise rotation of the flagellum

 

Question: A phage is a virus that infects: Bacteria Archaea Protists

A phage is a virus that infects: Bacteria Archaea Protists Correct Answer: Bacteria

 

Question: Use this image to answer the question: The structure or area represented by letter C is the: Cell wall Teichoic acid Lipopolysaccharide Periplasmic space

Use this image to answer the question: The structure or area represented by letter C is the: Cell wall Teichoic acid Lipopolysaccharide Periplasmic space Correct Answer: Periplasmic space

 

Question: ______ refers to the study of how organisms are related evolutionarily. Classification Phylogeny Taxonomy None of the answers are correct

______ refers to the study of how organisms are related evolutionarily. Classification Phylogeny Taxonomy None of the answers are correct Correct Answer: Phylogeny

 

Question: The Dutch merchant who made and used quality magnifying lenses to see and record bacteria for the first time was: Francesco Redi Antonie van Leeuwenhoek Louis Pasteur Joseph Lister Robert Koch

The Dutch merchant who made and used quality magnifying lenses to see and record bacteria for the first time was: Francesco Redi Antonie van Leeuwenhoek Louis Pasteur Joseph Lister Robert Koch Correct Answer: Antonie van Leeuwenhoek

 

Question: Organisms capable of forming endospores are primarily found in: Aquatic environments The human gut Cave environments Soil environments

Organisms capable of forming endospores are primarily found in: Aquatic environments The human gut Cave environments Soil environments Correct Answer: Soil environments

 

Question: When you perform a gram stain, gram negative organisms appear ________ and gram positive organisms appear ________. pink; purple purple; colorless purple; pink colorless; pink

When you perform a gram stain, gram negative organisms appear ________ and gram positive organisms appear ________. pink; purple purple; colorless purple; pink colorless; pink Correct Answer: pink; purple

 

Question: Which of the following is a reason why encapsulated bacteria have a greater pathogenicity than those bacteria which do not produce a capsule? Bacterial capsules cause Cancer in humans Bacterial capsules produce a toxin that breaks down epithelial cells Capsules protect bacteria from phagocytosis Producing a capsule means the cell is eukaryotic

Which of the following is a reason why encapsulated bacteria have a greater pathogenicity than those bacteria which do not produce a capsule? Bacterial capsules cause Cancer in humans Bacterial capsules produce a toxin that breaks down epithelial cells Capsules protect bacteria from phagocytosis Producing a capsule means the cell is eukaryotic None of the answers are correct Correct Answer: Capsules protect bacteria from phagocytosis

 

Question: The bacterial genome contains ________ chromosome(s) with a ________ shape. one; linear multiple; linear one; circular multiple; circular

The bacterial genome contains ________ chromosome(s) with a ________ shape. one; linear multiple; linear one; circular multiple; circular Correct Answer: one; circular

 

Question: Halobacterium salinarum is an organism that can live in extremely high concentrations of salt. This organism is an example of a/an: extremophile psychrophile halophile Both extremophile and psychrophile Both extremophile and halophile

Halobacterium salinarum is an organism that can live in extremely high concentrations of salt. This organism is an example of a/an: extremophile psychrophile halophile Both extremophile and psychrophile Both extremophile and halophile Correct Answer: Both extremophile and halophile

 

Question: Trypanosome cruzi is an example of an organism that causes: The flu. Cyanobacterial harmful algal blooms. Diarrheal disease Chagas’ Disease

Trypanosome cruzi is an example of an organism that causes: The flu. Cyanobacterial harmful algal blooms. Diarrheal disease Chagas’ Disease Correct Answer: Chagas’ Disease

 

Question: Which of the following is NOT a similarity between prokaryotic and eukaryotic microbes: Both can be single-celled. Both have organelles. Both can be observed using a microscope. Both have DNA as their genetic material. All are similarities.

Which of the following is NOT a similarity between prokaryotic and eukaryotic microbes: Both can be single-celled. Both have organelles. Both can be observed using a microscope. Both have DNA as their genetic material. All are similarities. Correct Answer: Both have organelles.