Que pasa si el ARNm lee un error de una secuencia en las bases nitrogenadas del ADN

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

What is any method of measuring the age of an object or event in years, such as using atomic half-life?