Which statement about biofilms is FALSE?
a. Biofilms are formed by bacteria living in a watery environment.
b. Biofilms enable bacteria to attach to solid surfaces.
c. Biofilm may develop on surgical implants.
d. Biofilms are usually less than 2 ?m thick.
e. An example of biofilm is dental plaque.
d
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Human population growth and expansion contribute to emergence of diseases
Indicate whether this statement is true or false.
The liver removes excess glucose from the blood and converts it into _______.
A. bile B. glycogen C. cellulose D. starch E. maltose and other disaccharides
Greenhouse gases contribute to global warming by absorbing UV radiation
___________________ Indicate whether the statement is true or false.
Which of the following statements is true of chloroplasts?
a. They produce proteins used by other parts of the cell. b. They capture energy from sunlight. c. They give an animal cell its shape. d. They contain an entire copy of a cell's genetic material.