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ss7ja [257]
3 years ago
14

Louis Pasteur proved that all new cells come from preexisting ones. What concept did Pasteur’s experiments disprove

Biology
1 answer:
Brilliant_brown [7]3 years ago
7 0
Louis Pasteur’s experiments has taken a leap on cell biology. He was able to contribute to the concept of cell theory which suggests that cells came from pre-existing cells, cells are the fundamental unit of life and that all life have cells.

Highlighting on pre-existing cells, early before the experiments of Pasteur, there was the theory of spontaneous generation. This theory claims that organisms came from nonliving objects which is now, truly misleading and wrong.
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What glycolysis product is transported into the mitochondria?
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Answer:

This question lacks options, options are:

A) ATP

B) NADP

C) Pryuvate

D) glucose

E) acetyl-CoA.

The correct answer is C) Pyruvate.

Explanation:

Pyruvate is a very important compound for the cell since it is a key substrate for energy production and glucose synthesis (neo-glycogenesis), that is, pyruvate is the end product of glucose breakdown in glycolysis. Before entering the mitochondria, it can be converted to lactate, through an anaerobic reaction (in the absence or under oxygen supply) of low performance in energy production, when the main pathway is interfered with. It can also be converted to the amino acid alanine. Within the mitochondria, it can be transformed, by pyruvate dehydrogenase (PDH), into acetyl-coenzyme A (acetyl-CoA), the entry point (substrate) of the Krebs cycle. In addition, by means of pyruvate carboxylase, it can be transformed into oxalacetate, which constitutes the first step in neoglycogenesis.

6 0
2 years ago
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What do scientists know about extrasolar planets? There are very few that are habitable. There are several that have liquid wate
andreev551 [17]
There are likely billions of them in the galaxy
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2 years ago
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Sandra drew an isosceles triangle that has an angle that measures 46 degrees. Which could be the measures of the other two angle
kipiarov [429]

Answer:

46 and 88° or 67 and 67°

Explanation:

An isosceles triangle has two sides of equal length and one other of a different length;

A triangle with such features also has 2 equal angles and one other;

If we consider that 46° is the angle that is not one of the two equal ones, then we can calculate the other two;

All angles in a triangle sum to 180, so:

180 - 46 = 134

The two remaining angles constitute 134° collectively;

If they are equal, each angle can be found like so:

¹³⁴/₂ = 67

Each of the two equal angles will be 67°;

Alternatively, if 46° is one of the two equal angles, then these two angles will be:
46 × 2 = 92

Then, the remaining angle can be found like so:

180 - 92 = 88

So the angles within the triangle are either:

46, 46 and 88°

or

46, 67 and 67°

8 0
2 years ago
which techniques have farmers used for centuries to produce animals more suitable to their needs? A.genetic engineering B.select
s2008m [1.1K]

Answer:

B

Explanation:

This involves selectively breeding two or more populations of a species or subspecies with desirable traits that are wanted by the humans. The offspring of the populations will bear the desired traits from the population. Breeding can be done over generations. An example is the breeding a cattle population that is resistant to drought and another that produces more milk. The filial generations will bear both traits.

7 0
3 years ago
What were the ultimate consequences of wealth inequalities during the 18th century?
amm1812

Answer:

It led to a wide range of protests by the people which brought about revolution

Explanation:

The ultimate consequences of wealth inequalities during the 18th century was wide range of protests by the people which brought about revolution.

This was because of the high poverty rate and difference between the classes in the society as the rich got richer due to policies which favored them while the poor got poorer due to the bad policies which made them register their displeasure and move for a revolution.

3 0
3 years ago
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