Which is not true about s waves? a. they cannot be transmitted through water or air. b. they travel more slowly than p waves can travel. c. they shake particles at right angles to the direction the waves travel. d. they change the volume of material by compression and expansion.

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

What organ is the first to receive nutrients that have been absorbed from the digestive tract?