Biology, 29.11.2019 06:31 FrankyV3220
In the phase of matter, atoms or molecules are held in a rigid structure. they are free to vibrate but cannot move around.
a. gas
b. solid
c. plasma
d. liquid
Answers: 3
Biology, 21.06.2019 23:30
During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water
Answers: 1
Biology, 22.06.2019 08:50
What processes take place before the mature mrna exits the nucleus?
Answers: 1
Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
Biology, 22.06.2019 09:40
What molecule contains an organisms genetic material, passed down from parents to their offspring
Answers: 1
In the phase of matter, atoms or molecules are held in a rigid structure. they are free to vibrate...
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