- What would the mRNA strand be for the following DNA strand?ATCGAAGC
- List the structural &functional characteristics of muscle tissue (skeletal , cardiac , smooth).
- 9) Questions 1. Name the sections of the small intestine Briefly describe the digestive processes that occur in each. 2. (a) Describe the inside surface of the small intestine and explain the reason for this structure. (b) How does the structure of the small intestine relate to the Mini Investigation at the beginning of this section? 3. Explain the process that releases bile into the duoderum. 4. Gallstones often develop in the gall bladder when minerals in the bile form into small pebble-like structures. This often requires the removal of the gall bladder. co (a) What is the function of the gall bladder? (b) What might be the consequences of having your gall bladder removed? (c) Use the Internet and other sources to research how you might need to adjust your diet following gall bladder removal. Write a report of your findings. 5. Create a graphic organizer to summarize the physical and chemical digestion of the three groups of nutrients 6. Name two hormones and two enzymes that are involved in 7. (a) Describe the processes involved in the breakdown of proteins into individual amino acids. (b) Why is it necessary to reduce large protein molecules to single amino acids? 8. How does facilitated diffusion differ from simple diffusion and osmosis? 9. Use a graphic organizer to compare the roles of the small and large intestines in digestion. 10. Ontario has implemented a colorectal cancer screening program. Use the Internet and other sources to find information about this program. (a) Describe the program and its goals. (b) What criteria are used to identify individuals who should have a colonoscopy? (c) Evaluate the use of colonoscopies in diagnosing and/or treating diseases such as colitis and colon cancer. 11. Unlike in humans the cecum in some mammals is functional. Use the Internet and sources to research the structure and function of the cecum in rabbits Write a brief report of your findings.
- Name the stage in which the following events oceur. Interphase is included. __ 2.Pairs of sister chromatids become attached to the spindle fibers. __ 3. The chromosomes condense and thicken and are now scen as separate distinct structu __ 4. A cleavage furrow or a cell plate forms to divide the cytoplasm into two parts. __ 5. The pairs of sister chromatids are lined up at the center of the cell. __ 6. The cell prepares for division by replicating the chromosomes. __ 7. The nucleolus disappears. __ 8. The chromatids are pulled to opposite sides of the cell. __ 9. The cell increases its size as well as the number of enzymes and cytoplasmic organelle __ 10. The nuclear membrane begins to break apart allowing the microtubules to reach the pa of chromatids. __ 11. The nuclear membrane reforms and the nucleolus returns. __ 12. The cell assembles the special structures needed for cell division. __ 13. Cytokinesis occurs. __ 14. The centrioles first begin to move to opposite sides of the cell.
- Exercice 3:QCM a) L'hormone de croissance s'avère difficile à détecter dans le sérum, qu'est ce qui est souvent mesure comme indice de l'activité de l'HC? Hormone gonadotrope Facteur de croissance 1 analogue de l'insuline (IGF-1) Thyréostimuline (tsh) Hormone adrenocorticotrope b) Parmi les causes suivantes, laquelle est la cause la plus frequente d'hyperthyroidie? Hyperplasie de la glande Production hormonales d'autres organes
