Explain why organisms that have an electron transport chain as well as fermentation pathways seldom ferment pyruvate, if an electron acceptor at the end of the electron transport chain is readily available.

Cells destroy body cells infected by a virus or bacteria.

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now