A scientific model can be used to . a.
replace study of the actual system
b.
better understand systems and processes
c.
complicate ideas
d.
all of the above

Please select the best answer from the choices provided

A
B
C
D

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above