In active transport carrier proteins are used.
The answer would be A. Methane
Transverse waves contain crests & troughs
while longitudinal waves contains compressions &rarefactions.
Answer:
Fatty acids are long chain carboxylic acids, they contain the carboxyl, COOH, functional group. The general formula for a fatty acid is R-COOH where R represents a long hydrocarbon chain. If the hydrocarbon chain, R, contains only single bonds between the carbon atoms, the fatty acid is said to be saturated.
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