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Archy [21]
3 years ago
9

The most important of the secondary lymphoid organs in the body are the lymph nodes.

Biology
1 answer:
Anit [1.1K]3 years ago
6 0
The answer is a. True
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What main idea about the nature of the cell did historical scientists disagree on?
VLD [36.1K]

Explanation:

Scientists didnt belive that there are cells untill robert hooke (1665). He observed the cells in a cork slice with the help of a PRIMITIVE microscope

Leeuwenhoek (1674), with the help of an improved microscope, discovered free living cells in pound water for the first time.

It was robert brown in (1831) who discovered the nucleus in the cell.

Purkinjie in 1839 coined the term 'protoplasm' for the fluid substance of the cell.

THE CELL THEORY, that all plants and animals are composed of cells and that the cell is the basic unit of life, was presented by two biologists, schleiden (1838) and schwann(1839). The cell theory was fuether expanded by virchow (1855) by suggesting that all cells aris form PRE-EXISTING cells. With the discovery of the electron microscope in 1940,it was possible to observe and understand the complex structure of the cell and its various organelles.

Well, thats the history of the discovery of cells.

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2 years ago
18. Which renewable energy resource would be best suited for urban areas?
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Answer: Solar power

Explanation:

8 0
3 years ago
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Fill in the blanks. Regulatory transcription factors bind to ________________, while general (or basal) transcription factors bi
Akimi4 [234]

Answer:

mmdwvrtgshbfeuhe

Explanation:

4 0
2 years ago
DNA in the nucleus is found in structures called _____. organelles pores ribosomes chromosomes
weqwewe [10]
Chromosomes. and these words are only because it needs to be 20 characters
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3 years ago
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Students are studying the rate of yeast fermentation under different conditions. Glucose is a monosaccharide. Sucrose is a
Akimi4 [234]

Answer:

The correct option is B. Fermentation would occur at a similar rate to that of glucose.

Explanation:

Fermentation can be described as a process in which alcohol is released by using sugars. In fruit juices, fructose is present mainly to get the sweetness. It is used as a substitute for glucose because fructose is more sweeter than glucose. Both fructose and glucose are monosaccharides with the formula C6H12O6. The only difference is in the arrangement of molecules in the atoms of these compounds. Hence, the rate of fermentation would be same for these two sugars.

8 0
3 years ago
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