Nucleic acid is the macromolecule that carries code for building our body.
All of the above
all options are related to the explanation of aids
No.
This method of stating population density is carried out by counting the number of specimen in a given area and then dividing the number of specimen by that area. This does not mean that each specimen is one meter apart. Some regions may have no specimens for multiple meters while other regions may have multiple specimen in the same meter. The population density gives us an average value.
Bacteria is one. I dont know what the choices are though
The answer is cell reproduction
