3 How are urodeles' tails different from anurans' tails?
A
Urodeles have long tails, anurans have short tails
B.
Urodeles have flat tails, anurans have long tails
C
Urodeles have flat tails, anurans have no tails
D
Urodeles have no tails, anurans have short tails

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

check for the pregnancy rating of drug. if its class c or d see if other alternatives

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