The endosymbiotic theory proposes that the organelles distinguishing eukaryote cells evolved through symbiosis of individual single-celled prokaryotes. refer to the diagram provided. what organelle has most likely been formed in picture b? a) chloroplast b) mitochondria c) nucleus d) vacuole

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

What's the waste product of electrons and pyruvate combining in fermentation?  

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.