Elements in living organisms

Characteristic element in all proteins

• nitrogen (N)

• sulfur (S)

• oxygen (O)

• carbon (C)

Biogenic elements

• C, H, Na

• C, H, O

• C, P, Fe

• H, S, K

Which element is not a macroelement?

• S

• C

• P

• Na

• Ca

Which set consists not only of macroelements?

• C, N, F, P

• C, N, H, S

• N, P, S, O

• H, P, S, N

It is main component of bones and exoskeletons

• Ca

• Fe

• Na

• P

Maintains proper blood volume, blood pressure, and pH of body fluids

• C

• N

• Cl

• K

Key element of biological molecules such as DNA and RNA and bones

• K

• P

• C

• Ca

Regulate(s) the body's fluid levels

• K and Na

• Ca and K

• Cu

• K only

• Na only

Minor constituent of fats, body fluids, and skeletal minerals but essenstial to link two 2 chains in proteins

• K

• S

• N

• O

Elelement essential in hemoglobin

• Cu

• Ca

• Fe

• Mg