A man is standing in line behind you, and you notice that he is coughing up bloody phlegm. He seems underweight and fatigued. Which of the following is the most likely diagnosis given the information in this chapter?

A) heart disease B) asthma C) tuberculosis D) a cold


Answer: C

Biology & Microbiology

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Which of these is an incorrect comparison between flagella and cilia?

A. Flagella are longer structures than cilia. B. Flagella have essentially the same internal structure of cytoskeleton proteins as cilia. C. Flagella are used for propulsion, while cilia are used to attach cells to other cells or surfaces. D. Flagella and cilia are both used for types of cellular movement. E. Flagella are found in all three domains of organisms, while cilia are found only in Eukarya.

Biology & Microbiology

Nonprotein catalysts are known as ________

Fill in the blank with correct word.

Biology & Microbiology

Name the four different nitrogen-containing bases that are found in DNA

What will be an ideal response?

Biology & Microbiology

Entamoeba histolytica is acquired by

A. sexual contact. B. contaminated water. C. contaminated food. D. ingestion of cysts of the pathogen. E. All of the choices are correct.

Biology & Microbiology