The first base at the 5' end of the anticodon has relaxed base-pairing rules allowing some trnas to bind multiple codon sequences. this is called the third base "wobble" hypothesis. how many codons could a trna with the anticodon 5'-gaa-3' recognize?

Provide one reason why mitosis occurs.

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Of your good in bio kusing a series of preliminary observations; pstate a problem developed from these observations, formulate a hypothesis, design an experiment to test the hypothesis