( Viruses ( ( have ( ( Nucleic ( ( Acids and ) Proteins ) ) ( but ( ( Lack ( other features ) ) ( of ( living cells ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Viruses)) (VP (VBP have) (NP (NP (NNP Nucleic) (NNPS Acids) (CC and) (NNPS Proteins)) (PP (CC but) (NP (NP (NN Lack) (JJ other) (NNS features)) (PP (IN of) (NP (VBG living) (NNS cells))))))) (. .)))
Viruses have Nucleic Acids and Proteins but Lack other features of living cells.
(ROOT (S (NP (JJ Nucleic) (NNS acids)) (VP (VBP are) (VP (VBN found) (PP (IN in) (S (RB all) (VP (VBG living) (NP (NNS cells) (CC and) (NNS viruses))))))) (. .)))
Nucleic acids are found in all living cells and  viruses.