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andriy [413]
3 years ago
11

When two solvents are seperated by a semi premamble membrane, water flows

Biology
1 answer:
fomenos3 years ago
3 0
Water flows from the side of higher water potential (higher water concentration leads to higher water potential) to the side of lower water potential. 

This movement is called osmosis. Water potential means the tendency of water flowing away. The higher the water concentration the solvent/solution is, the higher the water potential is and the more likely it'll flow to the other side. 

Therefore, if one of the solvents has 10% water and the other has 50% water, water molecules will flow from the one with 50% water to the 10% one. This movement is completely natural and does not require extra energy. The net flow will stop until both sides have the same water concentration. Water still flows through both sides at that time, but no net flow. 

Note that osmosis is only the movement of water molecules, with the presence of semi-permeable membrane (which can decide what substances can go through), and the flow of down the water potential gradient. If any one of these is not applicable, the movement is not osmosis. 

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Imagine that I start off with 10 molecules of oxaloacetate in a mitochondria. I now allow the TCA to run just enough to generate
lara31 [8.8K]

Answer:

The correct option is option D which is  10 – 1 molecule of Oxaloacetate (OAA) is regenerated for every molecule of Acetyl-Coenzyme (AcCoA) used.

Explanation:

As the complete question is not given, the complete question is as below

Imagine that I start off with 10 molecules of oxaloacetate in a mitochondria. After running the TCA to generate 20 molecules of CO2, how many molecules of oxaloacetate will be left in the mitochondria (assuming oxaloacetate is being used only for TCA in these mitochondria)?

A) 30 – each molecule of CO2 generated corresponds to an increase of one OAA

B) 20 – every two molecules of CO2 generated corresponds to an increase of one OAA

C) 0 – two molecules of CO2 generated corresponds to one AcCoA used in the TCA; each AcCoA requires one molecule of OAA

D) 10 – one molecule of OAA is regenerated for every molecule of AcCoA used

Each cycle of TCA result in consumption of 1 Acetyl-Coenzyme (AcCoA) and 1 Oxaloacetate (OAA) molecule to give rise to 3 molecules of NADH and 2 molecules of CO2 per cycle. But at the end of each cycle, OAA molecule is regenerated. So the number of oxaloacetate(OAA) molecules remains unchanged.

Thus the correct option is option D which is  10 – 1 molecule of Oxaloacetate (OAA) is regenerated for every molecule of Acetyl-Coenzyme (AcCoA) used.

8 0
3 years ago
Help ASAP!!!
Vanyuwa [196]

Answer:

1

Explanation:

Mostly because it was the BIGGEST thing that really happend during said event. The others happend yes but not as majorly as number 1.

6 0
3 years ago
Determine whether the following statement is true or false, and why. “The endocrine system releases products into the bloodstrea
Ivenika [448]

The endocrine gland is the one that is ductless an release its secretion directly in bloodstream example liver, pancreas, etc.  The given statement is true and the correct option is B.

<h3>What is endocrine gland's secretion called?</h3>

The secretion of endocrine gland is referred to as hormones, which are chemical messengers that helps in body's control and coordination.

The endocrine gland is the one that is ductless an release its secretion directly in bloodstream example liver, pancreas, etc.

Thus, the given statement is true and the correct option is B.

For more details regarding endocrine gland, visit:

brainly.com/question/11312688

#SPJ1

6 0
2 years ago
The idea that organisms share conserved, core processes can be used as evidence to explain that all life shares a common origin.
gladu [14]

Answer:

B is the correct answer.

Explanation:

Hope this helps:)

3 0
3 years ago
What type of material is a lens
guapka [62]
It is mostly glass and fiber glass
5 0
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