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How is oxygen moved from the lungs to the blood?

When oxygen reaches the alveoli of the lunngs, it diffuses into the blood. The oxygen enters the red blood cells and combines with the haemoglobin to form oxyhaemoglobin. When the red blood cells reach the t...
OA
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Describe the process of translation in protein synthesis

- Following transcription, the mRNA (messenger RNA) leaves the nucleus via the nuclear pores and enters the cytoplasm. It then attaches to a ribosome . - tRNA molecules in the cytoplasm carry a single amino ...
FL
Answered by Florence L. Biology tutor
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Why is it important to regulate body temperature? What is the role of our skin in regulating our body temperature?

Our skin is responsible for ensuring that, when our surroundings get too hot, our body temperature doesn't spike up to unhealthy levels. Likewise, when our surroundings get too cold, our skin plays a role in...
KA
Answered by Kartika A. Biology tutor
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How does the Calvin Cycle in photosynthesis work?

If you recall the basic chemical equation for photosynthesis: CO2 + H2O --> O2 + Carbohydrate (with 6-Carbons) ​This is precisely what occurs during the calvin cycle. Carbon dioxide is fixated and at the ...
KA
Answered by Kartika A. Biology tutor
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Explain why biological enzymes would stop working at temperatures higher than 45 degrees Celcius.

1. Biological enzymes are proteins, meaning they have specific shapes depending on bond interactions. 2. The active site of the protein is specific to a certain substrate (the thing being broken down). 3. At...
MH
Answered by Masood H. Biology tutor
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