Answer:
A. A glycerol head with 3 fatty acid tails
Explanation:
One glycerol attached to 3 fatty acids each
Sulfuric Acid is a diprotic acid and as such a binary acid. This is because it possesses two hydrogen as denoted by its formula H₂SO₄
Hydrochloric Acid - HCl
Phosphoric Acid - H₃PO₄
Nitrous Acid - HNO₃
Answer:
Red blood cells are adapted to their function by:
1) They contain haemoglobin - a red protein that combines with oxygen. they have no nucleus so they can contain more haemoglobin.
2) They are small and flexible so that they can fit through narrow blood vessels.
3) They have a biconcave shape (flattened disc shape) to maximise their surface area for oxygen absorption.
Hope this helps! :D
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