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Xelga [282]
3 years ago
10

The diagram is a model of a cellular process that occurs in the nucleus. What is the purpose of the process modeled?

Biology
2 answers:
mash [69]3 years ago
7 0
He does this so he can make a new strand of DNA!

Have a good day
8090 [49]3 years ago
6 0

Answer:

To make a new strand of DNA

Hope This Helps!

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Water leaves and enters cells in what process?
abruzzese [7]
Hydrolysis, the diffusion of water across the cell membrane. 
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3 years ago
How is nitrogen from the atmosphere the abiotic part of the ecosystem converted in to the biotic part of the ecosystem in organi
AveGali [126]

Solution:

Nitrogen is important because, it helps us grow crops, and it produces grass for animal. It comes from lightning and is named nitrogen fixation

By which free nitrogen (N2) is extracted from the atmosphere and converted (fixed) into nitrogen compounds which are plant nutrients (fertilizer). In nature, this process is carried out by certain bacteria (present in the root nodules of legumes such as beans and peas), blue-green algae, and the lightning flash.

Thus the Nitrogen form the atmosphere the biotic part to the ecosystem converted into the biotic part.

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3 years ago
In one kind of abnormal chromosome inheritance called down syndrome, a child has three copies of
umka2103 [35]
The answer would be B. chromosome 21 

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3 years ago
The second electron transport chain ends with a(n) ______ that creates NADPH.
mote1985 [20]
1. The right answer is enzymes
NADPH are molecules which are produced during reduction of metabolites (for example glucose metabolism, lipid metabolism...)

2. The right answer is enzymes.
<span>The dark reactions (carbon cycle) act by the reduction of carbon dioxides (CO2) to the level of a carbohydrate (like fructose).
</span>
3. The right answer is ATP.
ATP, or adenosine triphosphate, is a nucleotide of the purine family used to store and transport energy (purines are nitrogenous bases).

4. The right answer is the Calvin cycle.
The Calvin cycle is a series of biochemical reactions that take place in plant chloroplasts. The Calvin cycle makes it possible to manufacture glucose, an energy molecule, from carbon dioxide. This is called carbon fixation.

5. The right answer is NADH
The overall assessment of glycolysis is:Glucose + 2 ADP + 2 Pi + 2 NAD + -----> 2 pyruvate + 2 ATP + 2 H2O + 2 NADH
As we can see, the glycolysis produce indeed 2NADH from a reduction of metabolites during the process.

6. The right answer is Glycolysis.
Glycolysis is the first chain of carbohydrate catabolism, it is carried out in the cytosol by soluble enzymes and anaerobically (without oxygen supply). Its function is the synthesis of a molecule rich in energy, as well as the formation of pyruvate which will have several destinies, including the Krebs cycle.
<span>The Krebs cycle (or tricarboxylic cycle or citric acid cycle) is the energy platform of the cell, continuing the catabolism of carbohydrates after glycolysis. It is realized in the mitochondrial matrix and is done exclusively in aerobic.</span>

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3 years ago
Write a hypothesis about the effect of dry conditions on earthworm behavior. Use the "if . . . then . . . because . . .” format,
barxatty [35]

Answer:

If the earthworm external stimuli is affected, then the behavior would change because earthworms react negatively to odors.

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3 years ago
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