Answer:
Cyclines in phase s double their DNA.
Explanation: Hello, In this phase the cyclin doubles in a strictly regulated and conserved manner.
These are all true except <span>"D. Natural selection usually causes a species to change suddenly," which is false. Natural selection and the subsequent changes to a species takes many thousands of years to have observable results. </span>
<span> During the breakdown of ATP, ADP moving back to ATP synthase will most likely not happen.</span>