The transformation effect observed by Griffith was due to acquisition by non-pathogenic bacteria of plasmids containing genes conferring toxicity released by killed pathogenic bacteria. Describe how plasmids can be manipulated using restriction enzymes to include genetic material from other species and subsequently inserted into bacterial cells to amplify the foreign genes.

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

What in scientific term why the salty popcorn causes this thirst

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins