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Explain how each feature helps the cells to transport or exchange oxygen efficiently red blood cells contain hemoglobin why?
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∙ 16y ago
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∙ 16y ago
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What is a lignin in the plants?
lignin hardened vascular tissues to transport water and nutrients
Explain why a person without a gallbladder is unable to digest fats as efficiently as someone who has a gallbladder?
Because of the liver
What type of cell live longer unicellular or multicellular?
Explain Active and Passive transport.
Explain the difference between active transport and facilitated transport?
facilitated transport -this type of division occurs according to concentration gradient but it involves carriers like permeases ,Translocase etc. active transport- it takes place against their concentration gradient .carrier molecule which occur in P.M. become attached to transport &a carrier transport complex is formed.
Describe the structure of a molecule of hemoglobin and explain the role played by iron in the transport of oxygen?
At normal temperature and pressure only 4 ml of oxygen is dissolved in one liter of water or plasma. So molecule of hemoglobin is designed by nature in such a way that, it contains 4 atoms of iron in it ( and so it carries 4 molecules of oxygen ) and have affinity for oxygen, large enough to hold it, when there is high concentration of oxygen, as in lung and small enough to let the oxygen go, where the concentration of oxygen falls down in interstitial compartment . That's the beauty of hemoglobin molecule. So blood can carry 70 times more oxygen than what water or plasma can do. It means about 280 ml / liter.
Could you live without haemoglobin explain your answer?
No. Hemoglobin is required to transport O2, a constant requirement for human life.
What is a lignin in the plants?
lignin hardened vascular tissues to transport water and nutrients
How does telecommunications technology helps workers do their jobs more efficiently?
explain how telecommunications technology helps workers do their jobs more efficiently?
Explain active transport?
Active transport is the movement of a substance against its concentration energy.
How does the telecommunications technology help workers do their jobs more efficiently?
In 3-5 sentences, explain how telecommunications technology helps workers do their jobs more efficiently.
New York Stock Exchange its relationship to a public company's equity?
explain stock exchange and role of IT in it
What is a Bill of Exchange and explain the parties involved in it?
Khbr nai
Explain the on objectives of file management system?
they had an exchange of labor
Briefly explain Advantages and disadvantages a flexible exchange-rate system?
define exchange and whts its advantages and disadvantages
Explain why a person without a gallbladder is unable to digest fats as efficiently as someone who has a gallbladder?
Because of the liver
Explain the difference between passive transport and active transport Give several types of each and explain how they work?
when molecule travels from a higher concentration to a lower concentration through a concentration gradient.It is known as passive transport. Active transport refers to when molecule travels from a region of lower concentration to a region of higher concentration against the concentration gradiet. Transport of protein is an active transport. Fit it in the sentence your way
Who illustrate she explain Cycle Oral Communication?
idea to speak efficiently to language that create sound to sound waves
