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serg [7]
3 years ago
11

What did Matthias Schleiden contribute to our understanding of cells?

Biology
2 answers:
givi [52]3 years ago
7 0

The right option is; All plants are made of cells.

Matthias Schleiden was a German botanist, and cofounder (with Theodor Schwann) of the cell theory. Schleiden demonstrated that all plants were aggregates of cells, and cell products, and that all the mechanisms of plant physiology, occurs due to the activities of the cells. He stated that the nucleus, which he called the cytoblast, was an important part of all plant cells. Matthias Schleiden also described many possible methods cell formation.



svetoff [14.1K]3 years ago
3 0
<span>3. All plants are made of cells. </span>
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What is the male plants reproductive structure called?
QveST [7]

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Explanation:

I copied this off a website.

6 0
3 years ago
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Without helicase, predict what would happen during DNA replication
mr_godi [17]

Answer:

Should be D since what the helicase does is unwind the dna and seperate it into the 2 strands

Explanation:

8 0
3 years ago
You learn that a Mars lander has retrieved a bacterial sample from the polar ice caps. You obtain a sample of these bacteria and
Misha Larkins [42]

Answer:

a. conservative replication

b. semi conservative replication

c. dispersive replication

d. discontinuous replication

e. continuous replication

The CORRECT ANSWER IS C.

c. dispersive replication

Explanation:

The attached image shows a single band that becomes lighter (in volume) and increase in darker intensity (in times of color) is revealed with consecutive replications. The major pattern that would produce these outcome is dispersive replication.

Conservative replication do reveal two bands (a 14N for the wholly latest molecule, and a 15N for the totally antiquated molecule) after the initial replication. Therefore, this wholly wrong.

Semi-conservative replication reveal an individual band of transitional weight after the initial  replication, followed by two bands following the second replication (one of transitional weight, and the other at the 14N position). These two bands is observed in each following replication, with the transitional weight becoming lighter in color as the 14N band is seen to appear darker in color.

The real pattern gives an individual band that pinpoints to all molecules in an individual replicative cycle possessing the same constituents.

Dispersive replication, has its molecules to be a blend of old (15N) and new (14N) strands. Each replication raises the ratio of new to old strands as it explains the reason an individual band is shown raised (lighter in weight) with every replication.

4 0
3 years ago
_______ part of our brain generates signals for involuntary action.​
Ksivusya [100]

Answer:

the brain stem

Explanation:

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3 0
3 years ago
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15 points plz I need it
Oduvanchick [21]

Answer:

i think its D cause in my opinion there have no similarities with each other... but im not sure

8 0
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