Answer:
any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures
Red blood cells do not have a nucleus.
It does not consist of a cell membrane or a cytoplasm.
It simply only transports oxygen around the body.
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Nitrogenous bases, double stranded, made of nucleotides, adenine, thymine, cytosine, guanine, A pairs with T, G pairs with C
Marshes and ponds is the correct answer
