La célula animal es una célula eucariota caracterizada por la presencia de núcleo, membrana plasmática y citoplasma. Se diferencia de la célula vegetal por la ausencia de pared celular y cloroplastos. ... En la célula bacteriana, al igual que las células eucariotas, poseen citoplasma, ribosomas y una membrana plasmática.
Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing
Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.
