How many amino acids cannot be made by the body, so they must be obtained in the diet?
a. 2...
Biology, 30.01.2020 13:59 kenleighbrooke67
How many amino acids cannot be made by the body, so they must be obtained in the diet?
a. 2
b. 5
c. 10
d. 20
Answers: 2
Biology, 22.06.2019 05:30
What is the compliment dna strand to the following sequence: ttgactaggcta
Answers: 1
Biology, 22.06.2019 06:30
1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.
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
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