How many codons do you need for five amino acids

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.