why does an organism that moves materials only by diffusion cannot get very largw
Homework Answers
Small multicellular and unicellular organisms trasnports molecule
through diffusion process but if the organisms increases it's cell
size then transport of substance is beyond the diffusion limit as
diffustion is based on surface area to volume ratio of the
organisms principal.
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why
does an organism that moves materials only by diffusion cannot get
very largw
The Brinell test cannot be used with very soft or very hard materials. WHY ?
The Brinell test cannot be used with very soft or very hard materials. WHY ?
What is the process of diffusion, and how does it limit the size of an organism?...
What is the process of diffusion, and how does it limit the size of an organism? Can this be counteracted? What else might limit the size of an organism? What is the difference between an endothermic animal and an ectothermic animal?
Explain why businesses and consumers cannot get or choose not to get full information, and instead...
Explain why businesses and consumers cannot get or choose not to get full information, and instead operate in a condition of imperfect information.
What does it mean if an organism is "antibiotic resistant"? Why/how is this a modern day...
What does it mean if an organism is "antibiotic resistant"? Why/how is this a modern day problem?
2. True or False. If false, explain why. (a.) Only at very high or very low...
2. True or False. If false, explain why. (a.) Only at very high or very low pH does the non-ionized form of an amino acid predominate. (b.) At a pH greater than the pKa of an ionizable group, more than half of such groups are dissociated.
Q6- Explain why cycloheptatrienone is very stable but cyclopentadienone is so reactive that it cannot be...
Q6- Explain why cycloheptatrienone is very stable but cyclopentadienone is so reactive that it cannot be isolated. Cycloheptatrienone Cyclopentadienone
Why is the stress intensity factor of materials very important?
Why is the stress intensity factor of materials very important?
4) In the absence of O2 fermentation will occur, why?.....what does it yield that the organism...
4) In the absence of O2 fermentation will occur, why?.....what does it yield that the organism needs from these reactions? Why? 5) Gluconeogenesis is the production of glucose from non-carbohydrate precursors. a. What distinguishes glycolysis from gluconeogenesis? (hints: substrates, energetics of reactions, where do they occur) b. What molecule is a key regulator of glycolysis and gluconeogenesis? What does it do? (p. 245)
In a cell, why must NADH be reoxidized? How does this happen in an organism that...
In a cell, why must NADH be reoxidized? How does this happen in an organism that uses respiration? Fermentation? 2. Explain the chemiosmotic mechanism of ATP generation. How does oxidative phosphorylation compare with substrate level phosphorylation found in glycolysis and the Kreb’s cycle? 3. Which of the following yields the greatest energy for a cell: fermentation, anaerobic respiration, or aerobic respiration? Which yields the least? Why? 4. Explain what happens to glucose during glycolysis and respiration in terms of oxidation...
In a cell, why must NADH be reoxidized? How does this happen in an organism that...
In a cell, why must NADH be reoxidized? How does this happen in an organism that uses respiration? Fermentation? 2. Explain the chemiosmotic mechanism of ATP generation. How does oxidative phosphorylation compare with substrate level phosphorylation found in glycolysis and the Kreb’s cycle? 3. Which of the following yields the greatest energy for a cell: fermentation, anaerobic respiration, or aerobic respiration? Which yields the least? Why? 4. Explain what happens to glucose during glycolysis and respiration in terms of oxidation...
Q6- Explain why cycloheptatrienone is very stable but cyclopentadienone is so reactive that it cannot be isolated. Cycloheptatrienone Cyclopentadienone
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