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liubo4ka [24]
3 years ago
7

Which scientist disprove the idea that life comes from non life?

Biology
1 answer:
kodGreya [7K]3 years ago
8 0
The scientist that disproved the idea that life comes from non-life was <em>Luis Pasteur</em><em />

The scientist who tried to prove that life comes from non-life was John Needham. To do this, he took an open flask and put broth in it, heated it up, then sealed it, finding signs of life in it days later. He used that experiment to try and prove that life could come from non-living things.

Luis Pasteur disproved this theory by placing broth in a swan-necked flask, so that it was open to air and bacteria, and heating it up to sterilize it. After a few days the broth did not have any signs of life in it, but if the neck  was cut off, then within a few days the broth began to mold and bacteria started growing. This proved that spontaneous generation does not occur, otherwise the broth in the swan-necked flask would have molded over as well.

Thank you for your question! I hope this helped! Have an amazing day! :D
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A chicken has some cells that contain 78 chromosomes and other cells that contain 39 chromosomes. Which process is responsible f
nirvana33 [79]

Answer:

Mitosis

Explanation:

Mitosis is a type of cell division in which a cell divides into two daughter cells each having the same number of chromosomes as the parent cell. It ensures that every body cell contains the same number of genes as the parent cell. The cell that have 78 chromosomes have undergone mitosis while the other cells that contain 39 chromosomes undergo meiosis.

5 0
3 years ago
How many years would it take the Atlantic Ocean to grow 500 centimeters? Show your work.
dlinn [17]

Answer:

250 years

Explanation:

The Atlantic Ocean is not static, but instead it is very active, and it is actually spreading from its central part. In its central part, this ocean has a mid-ocean ridge. This basically means that there is constant formation of new crust from the magma that comes out, and the old crust is pushed sideways as the new one is formed. On an annual level, the mid-ocean ridge is spreading out by an estimated 0.02 meters, thus that is how much the Atlantic Ocean is spreading out each year. In order to get to the result as to how many years are needed for the Atlantic Ocean to spread 500 cm, we just need to multiply the annual spreading with the number of cm in question:

0.02 x 500 =250

Thus we get a result of 250, meaning that in 250 years the Atlantic Ocean will spread out 500 cm in total.

8 0
3 years ago
Read 2 more answers
Epithelia are classified by the number of cell layers and the ____________________ of the cells.
nalin [4]
Epithelia are classified by the number of cell layers and the general shape of the cells
4 0
3 years ago
What happens when ATP is converted to ADP?Energy is stored in bonds.Energy is released from bonds.Energy remains in the same.The
crimeas [40]

Energy stored in food can be used by cells to add a phosphate group to ADP to make ATP. This cycling of ATP to ADP occurs in a metabolic process called cellular respiration. phosphate group breaks, and energy is released. ATP becomes ADP, and the cycle of storing and releasing energy continues until the cell dies.

3 0
3 years ago
what is wrong with this statement: sperm and egg cells go through mitosis and divide a total of 1 time.
AlexFokin [52]

Answer:

cus it can add on i think

Explanation:

im a male

6 0
2 years ago
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