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Yakvenalex [24]
3 years ago
15

Where does the process of solar energy formation begins?

Biology
1 answer:
padilas [110]3 years ago
4 0

The answer should be photosphere zone.

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When a skeletal muscle contracts, which site undergoes the greatest movement? A. Insertion of the muscle B. Origin of the muscle
amm1812
Its b........................
7 0
3 years ago
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Mutation is a random and non-adaptive process. This was first proven by:
s2008m [1.1K]

Answer:

Option (d).

Explanation:

Mutation may be defined as the sudden, heritable change in the nucleotide sequence of the organism. Mutation may occur due to the errors in DNA replication or may occurs due to the mutagens.

Joshua and Lederberg experiment explains that mutation is the non adaptive and random process that occur in the organism. He used the replica plating of E.coli and grows them on streptomycin drug. The bacteria was grown on the the primary plate and they are transferred to the secondary plate with streptomycin drug in the growth environment. The resistant strain of bacteria grows in the streptomycin environment.The pattern of bacteria growth on the plate explained that mutation occurs randomly and it is a non adaptive process.

Thus, the correct answer is option (d).

4 0
3 years ago
An example of a(n) is the brain, spinal cord, and nerves working together.
adelina 88 [10]

Answer:

system

Explanation:

An example of an organ system is the brain, spinal cord, and nerves working together.

<em>A system is a level of organization in living organisms in which body organs work together to perform similar functions. The organ system represents the highest level of body organization as opposed to organ, tissue, and cell level of organization.</em>

The cell is the smallest unit of organization of the body of living organisms. At the tissue level, cells aggregate together to perform similar functions while at the organ level, similar tissues come together to perform somewhat similar roles in the body of organisms.

<u>The brain, spinal cord, and nerves each represent an organ. When these work together in the body of organisms, the level of organization is described as organ systems or simply systems. </u>

8 0
3 years ago
For satre, the exercise of freedom carries what?
Dmitrij [34]

trapped in the questions

6 0
3 years ago
How are diffusion and osmosis different? A. Osmosis is the movement of proteins. Diffusion is the movement of water. B. Osmosis
stepladder [879]
The answer is B, osmosis is the movement of water. Diffusion is the movement to chemicals and molecules.

Both osmosis and diffusion are movement of molecules from a region of higher concentration of the substance moving to lower concentration down the concentration gradient. However, osmosis is only for the movement of water molecules, while diffusion is for any type of substances including liquid or gas. So we can also say osmosis is a type of diffusion actually.

And also, both of these movement of molecules does not require extra energy, they all happen due to natural tendency.
6 0
3 years ago
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