Afunctional group of atoms, such as oh, is called a(n) a. ion b. binary compound c. radical d. isotope

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis