Biology, 09.10.2020 19:01 joytheqt305
What is a limitation of using electron microscopes to view specimens?
A. You cannot view transparent specimens because of the microscope’s low resolution.
B. Electron beams are dangerous and can only be used sparingly.
C. You cannot view live specimens because the necessary preparation kills cells.
D. Resolution is weak and cannot make out details of very small specimens.
Answers: 2
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What feature of cell theory is best demonstrated in the image
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Biology, 22.06.2019 17:00, abee122
Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases
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Biology, 22.06.2019 18:30, maleja2038
12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.
Answers: 1
What is a limitation of using electron microscopes to view specimens?
A. You cannot view transparen...
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