The average individual should consume calories on a daily basis. 2. units

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.

China was the world's leading steel producer in 2006. what changes would you expect to be taking place in china?

Protein is a primarily building block of