Which of the following is NOT a characteristic of alveoli?

a. small overall surface area
b. thin basement membrane
c. surfactant production
d. small diameter
e. reduced surface tension to maintain opening


ANSWER: a

Biology & Microbiology

You might also like to view...

What is the portion of the cell cycle during which the chromosomes are invisible under the light microscope because they are not yet condensed?  

A.  Interphase B.  Prophase C.  Metaphase D.  Anaphase E.  Telophase

Biology & Microbiology

Long coding RNAs (lnc RNAs) are characterized by:

a. the presence of introns. b. the lack of a polyA tail. c. their roles in regulating transcription. d. being less than 100 bases in length. e. binding to zinc finger transcription factors.

Biology & Microbiology

In muscle cells, fermentation produces not alcohol but

a. ATP. b. NADH. c. pyruvate. d. kinetic energy. e. lactic acid.

Biology & Microbiology

Which cells' direct involvement are required for cell-mediated immunity?

A. bacterial cells B. T-cells C. viral components D. B-cells E. neutrophils

Biology & Microbiology