Cells with cilia or flagella rely mainly on ___________________ to facilitate their movement

A. microtubules
B. microfilaments
C. intermediate filaments


A

Biology & Microbiology

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A small amount of DNA is collected from a crime scene. However, the amount of DNA collected is insufficient to perform the necessary experiments to link a suspect to the crime. Which method could be utilized to increase the amount of DNA?

A. polymerase chain reaction (PCR). B. DNA sequencing. C. fluorescent labeling of DNA. D. microarray analysis. E. gel electrophoresis.

Biology & Microbiology

The ____ system is responsible for delivering nutrients and oxygen throughout the body

a. circulatory b. digestive c. respiratory d. skeletal e. urinary

Biology & Microbiology

Nitrates and nitrites are used in cured meats to prevent ________.

A. botulism intoxication B. S. aureus food poisoning C. infection from fruits and nuts D. mold growth

Biology & Microbiology

Which of the following describes a major component of the Staphylococcus aureus cell wall. It binds to the 'Fc' moiety (stem of the Y-shaped anitoby) of IgG, exerting an antiopsonin (and therefore strongly antiphagocytic) effect

A. capsule B. protein A C. cytolytic exotoxins D. superantigen exotoxins E. DNAse enzymes

Biology & Microbiology