3. explain how it is possible to have thousands of different proteins when there are only 20 different amino acids.

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate