The auc and aua codons in mrna both specify isoleucine. what feature of the genetic code explains this?
complementarity
nonsense codons
universality
degeneracy

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an