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sweet-ann [11.9K]
3 years ago
7

Given a 50 mL volumetric flask, 50 mL graduated cylinder,10mL pipette, 100 mL beaker, and 75 mL Erlenmeyer flask, which measurin

g instrument would you choose to measure 25 mL of water
Biology
1 answer:
melamori03 [73]3 years ago
6 0

Answer:10ml

Explanation:

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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.

7 0
2 years ago
True or false <br> How an animal obtains food is part of its niche
svlad2 [7]

Answer:

False

Explanation:

A niche is making a living as a top carnivore.

5 0
3 years ago
Please help <br><br><br><br><br><br><br><br><br>help help​
Alik [6]

Answer:

m= p+e

Explanation:

8 0
2 years ago
Help please....:)
xxTIMURxx [149]

Answer:

The process of photosynthesis is complex. Sunlight energy is converted into chemical energy by using chlorophyll, which is what gives plants their green color. Chlorophyll absorbs red and blue light and uses the energy to convert water and carbon dioxide into glucose then releases the unused components such as oxygen.

8 0
3 years ago
The peptide portion of any protein without its prosthetic group is called ________. The peptide portion of any protein without i
Nikitich [7]

Answer:

Apoprotein

Explanation:

A peptide is a molecule formed as a result of the linking of amino acid molecules by a peptide bond. The peptide is the backbone of polypeptides and subsequently, protein molecules. Enzymes are proteinous molecules that serve as biological catalysts. The prosthetic group of a protein/enzyme is a metallic attachment to the protein, which plays roles that are vital to its functioning.

However, when the peptide portion of a protein molecule lack its prosthetic group, the protein is called an APOPROTEIN.

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3 years ago
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