Which rna base pairs with the adenine in dna? a)thymine b)guanine c)cytosine d)uracil

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Are gametes exactly the same? explain why or why not?

What are the three different shapes or structures shapes or structure of carbon-based molecules?