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alexdok [17]
3 years ago
15

The element important to life that are recycle are

Biology
1 answer:
katovenus [111]3 years ago
3 0
Circulation of chemical nutrients such as oxygen,carbon,phosphorus,nitrogen,water, and calcium. Through the biological and physical world are known as biogeochemical cycles.
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Which statement best describes the structure of a chromosome?
Pie

Your best bet is most likely going to be B

A Chromosome holds part or all of the genetic material of an organism. It also  includes packaging proteins which, aided by chaperone proteins, bind to and condense the DNA molecule to prevent it from becoming an unmanageable tangle.

So yes your best bet is B.

3 0
3 years ago
Class ii mhc proteins are found on which of the following cell types?
Bogdan [553]

Answer:

The answer to the question: Class II MHC proteins are found on which of the following cell types, would be: on macrophages and lymphocytes, particularly T-Cells.

Explanation:

MHC, or Major histocompatibility complex, is a very important part of the immune response that the body gives against an invading pathogen, or other foreign substances. There are three types in the human body, Class I, Class II and Class III and each of them will play a role on the cellular membrance of different types of cells and mediate different types of responses. In the human body, this histocompatibility complex is best known as HLA, or human leukocyte antigen, and it will ensure the recognition, or non-recognition of substances, tissues, and other organisms, by the human immune system. Class II, as mentioned before, are most usually found on the immune cells macrophages and lymphocytes, and they are the ones responsible for presenting antigens to these proteinic antibodies so that the immune cells can initiate a proper immune response.

5 0
3 years ago
Explain the specilisation of vili
Lisa [10]

Answer:

Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. ... The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.

8 0
3 years ago
las ondas transversales producidas en una cuerda de guitarra tienen una rapidez de propagación de 150 m/s y su longitud de onda
Alex Ar [27]

Answer:

Period of the waves = 0.00013 s (Approx.)

Explanation:

Given:

Propagation speed = 150 m / s

Wavelength = 0.02 m

Find:

Period of the waves

Computation:

Period of the waves = Wavelength / Propagation speed

Period of the waves = 0.02 / 150

Period of the waves = 0.00013 s (Approx.)

4 0
3 years ago
Why did Earth and Venus evolve so differently? Why is Earth's atmosphere rich in oxygen and poor in carbon dioxide, whereas the
Ratling [72]
The earth will have lack  of oxygen and the earth's temperature will increase in heat rapidly.
4 0
3 years ago
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