what are two ways electromagnetic waves are used in a home computer scanner O A. an image is produced when a silicon chip releases electrons by the photoelectric effect B. red light shines on a black-and-white object and light is reflected according to the pattern of black and white C. visible light is reflected off an object and then captured by a charged-coupled device D. x-rays shine on object ant the rays pass through or absorbed by the object

How does a gymnosperm prevent itself from pollinating the same tree

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna.nothing should be altered.the ph should be decreased.the temperature should be raised.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these