Dna contains instructions for making the different molecules that a cell needs to grow and function. for example, is made by

a- a protein, translating mrna
b- mrna, translating dna c- a protein, transcribing mrna
d- mrna, transcribing proteins

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

Diagram of the evolution of land plants?

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes