The microorganisms that recycle nutrients by breaking down dead matter and wastes are called
A. prokaryotes.
B. eukaryotes.
C. pathogens.
D. decomposers.
E. fermenters.
Answer: D
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Movement of a substance from an area of low concentration to an area of high concentration using
energy obtained from ATP is called ____.
a. passive transport b. diffusion c. facilitated transport d. osmosis e. active transport
Denaturation of proteins will result in all
EXCEPT one of the following. Which one is it?
a. breakage of hydrogen bonds b. loss of three dimensional structure c. removal of R groups from amino acids d. alteration of enzyme activity e. endangerment of cell's life
An organelle that finishes a protein and
packages it for export is a
a. lysosome b. Golgi body c. peroxisome d. smooth ER e. rough ER
Which two STDs commonly occur together?
a. HPV infection and chlamydia b. chlamydia and gonorrhea c. gonorrhea and syphilis d. trichomoniasis and genital herpes e. trichomoniasis and syphilis