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Svetllana [295]
2 years ago
12

What determines how high or low sounds are?

Biology
1 answer:
rusak2 [61]2 years ago
5 0

Answer:

it depends on there amplitude

Explanation:

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Which of the following are the major phagocytic cells in the body?a. T and B lymphcytesb. Eosinophisc. Erythrocytesd. Macrophage
kupik [55]

Answer:

The correct options are MACROPHAGES AND NEUTROPHILSE.

Explanation:

Majority of the white blood cells in humans are specialized phagocytic cells, examples of these are macrophages, neutrophilse, monoctyes, mast cells and dendritic cells. The major functions of phagocytic cells is to protect the human body from disease pathogens. They do this by ingesting foreign bodies that are found in the body.  Macrophages and neutrophilse are the major phagocytic cells in the body, they are the principal effector of non-specific host defense and inflammation.

8 0
3 years ago
What are some of the biological features that humans have developed that the early mammals did not possess? How have these featu
horsena [70]
An example are our arms are similar to other s
4 0
2 years ago
By 1796 it had been observed that milk maids who had been exposed to cowpox did not succumb to the deadly plague of smallpox tha
xxTIMURxx [149]

Answer:

e.)  If exposure to cowpox gives immunity to smallpox in milkmaids, then milkmaids have a natural immunity and their blood should be used to develop a smallpox vaccine.

Explanation:

  • Milkmaids who suffered from cowpox did not suffer from smallpox i.e. they were immune to the disease.
  • If milkmaids did not suffer from smallpox then there must be some element of immunity that they received once they had recovered from cowpox, this would likely be found in their blood as antibodies.

6 0
3 years ago
Fungus-like protists are autotrophs that absorb nutrients from dead or decaying organic matter.
iVinArrow [24]
If you are asking if that is true or false, it is false because all fungus like protists are heterotrophs, not autotrophs
8 0
3 years ago
Check your understanding. Which items did you
s2008m [1.1K]

RNA nucleotides form complimentary base pairs with DNA bases.  Hydrogen and sugar-phosphate bonds form and the mRNA is synthesized.

Explanation:

The process of mRNA formed by DNA is called transcription. The genes coding for the protein is present on DNA as a nitrogenous base or nucleotides.

Transcription takes place inside the nucleus with the assistance of major enzyme RNA polymerase. In transcription 5'to3' single strand of RNA is synthesized which is complementary to the 3'to5' strand of DNA. The sequence of DNA has promoter sites which will be recognized and DNA will unzip to form transcription bubble. Several transcription factors and enzyme will be required to synthesize mRNA.

This mRNA after some modification would become primary transcript and pass on to the cytoplasm where protein synthesis will take place.

8 0
3 years ago
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