All viruses have a capsid or head region that contains its genetic material. The capsid is made of proteins and glycoproteins.
C SHOULD BE THE CORRECT ANSWER BUT IM NOT SURR
To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.
Answer:
l think the suitable answer can be no.A. and no.D.
That would be A.
Most antibiotics that are used for gram positive bacteria target the peptidoglycan cell wall, but the ones for gram negative bacteria are more advanced and specific and target the cell membrane and alter the cell’s function(processes of proteins and dna/gene expression).
