T rex because he didnt have the arms so his teeth were curved back to keep his prey from escaping.
Cytosine
(C) - both;
Thymine (T) – DNA;
Uracil (U) - RNA.
Adenine
(A) - Both
Guanine
(G) - Both
These are the letters that we use to represent the nitrogenous base pairs that make up and thus define a nucleotide
Answer:
When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases. And lower average kinetic energy of the molecules means they have lower speed.
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