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kotegsom [21]
4 years ago
13

Why was it hard for many immigrants to find jobs in the United States in the late 1800s?

Biology
1 answer:
mylen [45]4 years ago
5 0

I just took the test and the answer was B

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In 1838 botanist Matthias Schleiden determined that all plants are composed of cells. In 1839 anatomist Theodor Schwann proposed
TiliK225 [7]

Answer:

This question lacks options, the options are;

A. All cells have a cell wall.

B. All cells arise from pre-existing cells.

C. All cells are capable of photoshynthesis.

D. All cells can develop into any other type of cell.

The answer is B.

Explanation:

The widely accepted universal cell theory is known to be contributed to by three scientists viz: Matthias Schleiden, Theodor Schwann and Rudolph Virchow.

As rightly stated in this question, Botanist Mathias Schleiden and Zoologist Theodor Schwann proposed that plants and animals are made up of cells in the year 1838 and 1839 respectively. However, in 1855, biologist Rudolph Virchow expanded the cell theory by adding that all living things are composed of cells and that these cells arise from pre-existing cells.

The collaboration of these three scientists brought about the cell theory that states:

* Cells are the basic unit of all living things.

* All living things are made up of one or more cells.

* All cells arise from pre-existing cells.

8 0
3 years ago
X-rays have more energy than ultraviolet waves.
leonid [27]

Answer:

A. They have shorter wavelength then ultraviolet waves. is correct

5 0
3 years ago
Which pioneer species is most likely to appear in houston ?
larisa [96]
Grasses

Think about it. Grass spreads like wildfire so why wouldn’t it be in Houston Texas plus it’s a pioneer species because it didn’t originate there

Plz giv me brainlyest bro

#UrCoolButGivMeBrain
3 0
3 years ago
What molecules does a fat cell store
mafiozo [28]

Answer:

Triglycerides

Explanation:

Fat cells are also called Adipose cells. They are cells found all over the body and majorly functions in the storage of energy storing substances called TRIGLYCERIDES. Triglycerides are a type of lipids composed of a glycerol molecule and three fatty acids molecules.

Triglycerides, like every other lipid, are biomolecules that store a large amount of energy. However, they are stored in specialized cells called FAT OR ADIPOSE CELLS.

7 0
3 years ago
1. There are several ways to transport materials across the cell membrane. Which of these in NOT a transport
yarga [219]

mnactive  \: transport.

Explanation:

Thanks!!!!

7 0
3 years ago
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