Según watson y crick, si qué puede suceder con la estructura del adn si las purinas se pareasen en la molécula del dna y/o si las pirimidinas se pareasen en la molécula del dna.

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.