- 1. Which molecule can diffuse from the digestive tract into the human bloodstream without first being digested? A) protein B) starch C) fat D) glucose 5. The pancreas, an organ which secretes enzymes directly into the intestine.helps A) break down food in the intestine B) prevent food from being digested in the intestine C) degrade the intestine D) preserve the structure of the intestine
- Observa este diagrama de una célula animal. Arrastra las partes de la célula a los cuadros correspondientes a continuación: square square square Enviar respuesta
- True or False!? With this type of breathing you breath in and out througr I your nose True False
- A photograph of human cells as seen with a compound light microscope is shown below A cell structure is labeled a Soucture A is most likely a for the red site of food storage I tram the fun for the storage it eforeation
- 18. Match the organelle with its function. __ Cell Wall __ Cell Membrane __ Nucleus __ Nucleolus __ Ribosome __ Chloroplast __ Mitochondria __ E.R. __ Central Vacuole __ Golgi Apparatus __ Lysosomes Vesicle A. Contains enzymes that digest food and worn out organelles B. The energy producing structure in a cell. C. Fills with water in a plant cell. D. Makes proteins. E. Synthesizes proteins and lipids. F. Receives materials and packages them for transport in the cell. G. Synthesizes polypeptides and is free floating or on the ER. H. Performs photosynthesis. I. The control centre for all cellular activities. J. A rigid structure that gives shape and protection to plant cells. K. Determines what gets into and out of the cell. L. Membrane bound sac used for transport and storage of substar