Foundations in biology

Which of the rows, A to D, correctly identifies the presence or absence of nitrogen, phosphorus, and sulfur in the given biological molecules?

	Biological molecule	Nitrogen ( $N_\text{N}$ )	Phosphorus ( $P_\text{P}$ )	Sulfur ( $S_\text{S}$ )
A	Phospholipid	Present	Present	Present
B	Glycoprotein	Present	Present	Absent
C	Triglyceride	Absent	Absent	Absent
D	Polynucleotide	Absent	Present	Absent

Row A

Row B

Row C

Row D

Which of the rows, A to D, correctly identifies the presence or absence of nitrogen, phosphorus, and sulfur in the given biological molecules?

	Biological molecule	Nitrogen ( $N_\text{N}$ )	Phosphorus ( $P_\text{P}$ )	Sulfur ( $S_\text{S}$ )
A	Phospholipid	Present	Present	Present
B	Glycoprotein	Present	Present	Absent
C	Triglyceride	Absent	Absent	Absent
D	Polynucleotide	Absent	Present	Absent

Row A

Row B

Row C

Row D

Foundations in biology Questions