A larger unit called a
called a
is a small repeating unit that links with other molecules to form a
For example: a single unit in a carbohydrate is
and a larger unit made up of multiple small units is called a

the fossil record provides evidence of a common ancestor to many species.

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.

la transducción de señal ocurre cuando una molécula de señalización de fluido extracelular activa un receptor de superficie de la célula.