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debbie394
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#1
when it says 'ATP is the standard intermediary energy-releasing and energy-consuming metabolic reactions in both eukaryotic and prokaryotic cells'
what does that mean
isn't energy-releasing to do with respiration and energy-consumption to do with the biological processes atp drives
so don't both metabolic reactions use atp ?
what does that mean
isn't energy-releasing to do with respiration and energy-consumption to do with the biological processes atp drives
so don't both metabolic reactions use atp ?
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Daveboi115
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#2
An intermediary is simply a “go between” like a bridge for example. All that phrase means is that ATP is a common link between energy release and consumption. To put it into context, ATP produced in the cell through the relevant metabolic processes and it will then go on to be used as the energy giving rise to other products of metabolic processes.
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debbie394
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#3
(Original post by Daveboi115)
An intermediary is simply a “go between” like a bridge for example. All that phrase means is that ATP is a common link between energy release and consumption. To put it into context, ATP produced in the cell through the relevant metabolic processes and it will then go on to be used as the energy giving rise to other products of metabolic processes.
An intermediary is simply a “go between” like a bridge for example. All that phrase means is that ATP is a common link between energy release and consumption. To put it into context, ATP produced in the cell through the relevant metabolic processes and it will then go on to be used as the energy giving rise to other products of metabolic processes.
is that a different type of energy?
what type of energy is atp?
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S.G.
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#4
(Original post by esmeralda123)
the energy consumed from organic substrates to produce tap, what type of energy is that?
is that a different type of energy?
what type of energy is atp?
the energy consumed from organic substrates to produce tap, what type of energy is that?
is that a different type of energy?
what type of energy is atp?
ATP is hydrolysed to release energy. Remember bond breaking releases energy?
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Daveboi115
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#5
I’m going to pitch this one around AS-level standard given that I have no reference.
ATP will give rise to three major energy outputs, dependant in which reactions occur. ATP itself is not an energy, it is a molecule which provides energy through hydrolysis of the attached phosphate groups. ATP to ADP and to a lesser extent ADP to AMP. Energies involved include heat, work and chemical energies. As stated this is dependant upon the reaction taking place.
ATP will give rise to three major energy outputs, dependant in which reactions occur. ATP itself is not an energy, it is a molecule which provides energy through hydrolysis of the attached phosphate groups. ATP to ADP and to a lesser extent ADP to AMP. Energies involved include heat, work and chemical energies. As stated this is dependant upon the reaction taking place.
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debbie394
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#6
1) i know this sounds stupid, but if atp is produced because of respiration, how can molecules of atp be released in respiration. is it because more atp is made than released
i can't get my head around it
2) also for gylcolysis, why are 4 molecules of atp made when there are only 2 phopshate groups in total for the two triose phosphates, so two phosphate groups can produce 2 atp
i can't get my head around it
2) also for gylcolysis, why are 4 molecules of atp made when there are only 2 phopshate groups in total for the two triose phosphates, so two phosphate groups can produce 2 atp
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Daveboi115
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#7
(Original post by esmeralda123)
i know this sounds stupid, but if atp is produced because of respiration, how can molecules of atp be released and made in respiration
i can't get my head around it
i know this sounds stupid, but if atp is produced because of respiration, how can molecules of atp be released and made in respiration
i can't get my head around it
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debbie394
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#8
(Original post by Daveboi115)
Could you clarify the issue? Are you confused about how ATP is both produced and utilised in metabolic processes?
Could you clarify the issue? Are you confused about how ATP is both produced and utilised in metabolic processes?
do you know the answer to my second question ?
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Daveboi115
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#9
(Original post by esmeralda123)
1) i know this sounds stupid, but if atp is produced because of respiration, how can molecules of atp be released in respiration. is it because more atp is made than released
i can't get my head around it
2) also for gylcolysis, why are 4 molecules of atp made when there are only 2 phopshate groups in total for the two triose phosphates, so two phosphate groups can produce 2 atp
1) i know this sounds stupid, but if atp is produced because of respiration, how can molecules of atp be released in respiration. is it because more atp is made than released
i can't get my head around it
2) also for gylcolysis, why are 4 molecules of atp made when there are only 2 phopshate groups in total for the two triose phosphates, so two phosphate groups can produce 2 atp
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debbie394
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#10
(Original post by Daveboi115)
Ok so for glycolysis, to understand it properly you have to look at the full cycle before breaking it down. It involves the degradation of one six carbon sugar into two 3 carbon sugars. The triose phosphates. Each molecule of glucose goes through the process twice and gives out 2ATP each time. So that’s 4 in total. Although you do have to account for the 2ATP input at the beginning of the cycle so your net gain is only 2ATP.
Ok so for glycolysis, to understand it properly you have to look at the full cycle before breaking it down. It involves the degradation of one six carbon sugar into two 3 carbon sugars. The triose phosphates. Each molecule of glucose goes through the process twice and gives out 2ATP each time. So that’s 4 in total. Although you do have to account for the 2ATP input at the beginning of the cycle so your net gain is only 2ATP.
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Daveboi115
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#11
(Original post by esmeralda123)
i don't get what you mean by 'each molecule of glucose goes through the process twice' ?
i don't get what you mean by 'each molecule of glucose goes through the process twice' ?
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RickHendricks
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#12
(Original post by esmeralda123)
when it says 'ATP is the standard intermediary energy-releasing and energy-consuming metabolic reactions in both eukaryotic and prokaryotic cells'
what does that mean
isn't energy-releasing to do with respiration and energy-consumption to do with the biological processes atp drives
so don't both metabolic reactions use atp ?
when it says 'ATP is the standard intermediary energy-releasing and energy-consuming metabolic reactions in both eukaryotic and prokaryotic cells'
what does that mean
isn't energy-releasing to do with respiration and energy-consumption to do with the biological processes atp drives
so don't both metabolic reactions use atp ?
ATP turns into ADP at that time and in the mitochondria, ADP turns into ATP by hydrolysis (by using hydrolase I believe), and this process requires energy.
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debbie394
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#13
(Original post by RickHendricks)
ATP releases energy by having one its phosphate groups broken, and there is energy loss during that, which accounts for the energy that ATP is providing.
ATP turns into ADP at that time and in the mitochondria, ADP turns into ATP by hydrolysis (by using hydrolase I believe), and this process requires energy.
ATP releases energy by having one its phosphate groups broken, and there is energy loss during that, which accounts for the energy that ATP is providing.
ATP turns into ADP at that time and in the mitochondria, ADP turns into ATP by hydrolysis (by using hydrolase I believe), and this process requires energy.
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RickHendricks
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#14
(Original post by esmeralda123)
i thought that adp turns into atp by condensation
i thought that adp turns into atp by condensation
Yes ADP turns into ATP, by a phosphate group "rebonding" with the ADP molecule to make ATP, and it is a condensation reaction, and this is where ENERGY is USED, and the reaction is catalysed by ATP synthase.
The reverse occurs in conditions such as active transport using channels across cell membranes, and in this process, ATP turns into ADP, and in the process the energy stored in the bond is released to provide for the movement against concentration gradient. This reaction is hydrolysis and it is catalysed by ATP hydrolase.
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