False
their legs were made form the spine of stingrays and they were used to ward of bad storms.
Answer:
2 layers are in the plasma membrane
Answer:
producer: grass, primary: grasshopper, secondary: frog, tertiary: snake
Explanation:
Answer:
mutagens in the environment, such as tobacco smoke and certain pesticides
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In amino acids, the carboxyl group acts as an acid.
Answer: Option B
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Explanation:
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The molecular formula of the carboxyl group is -COOH. It is composed of one carbon atom bonded with oxygen atom and hydroxyl group.
During ionization process, it leads to the formation of two ions namely a positive ion called
, whereas a negative ion called
. Due to the formation of
ions, which is nothing but a proton, the carboxyl group present in the amino acid act as an acid.