Biology

1234567891011121314
Across
  1. 3. digestion it is the breakdown of food into smaller pieces without chemical change to food molecules.
  2. 5. it is a protein that functions as a biological catalyst
  3. 10. the ability to detect or sense stimuli in the internal or external environment and to make appropriate responses
  4. 11. it is the net movement of waterr molecules from a region of higher water potential to a region of lower water potential through a partially permeable membrane
  5. 13. it is the net movement of molecules and ions from region of their higher concentration to a region of their lower concentration down a concentration gradient as a result of their random movement
  6. 14. it is the process by which plants manufacture carbohydrates from raw materials using the energy from light.
Down
  1. 1. a group of organisms that can reproduce to produce fertile offspring
  2. 2. it is a substances that increases the rate of a chemical reaction and is not changed by the reaction
  3. 4. fats are a solid form of a group of molecules is called.....
  4. 6. it is a solution to test for starch
  5. 7. it is the movement of digested food molecules into the cells of the body where they are used, becoming part of the cells.
  6. 8. it is proteins produced by white blood cells called lymphocytes
  7. 9. membrane thin layer of cytoplasm aroudn the outside of the cells. its stops the cell contents from escaping and also controls the subvstances which are allowed to enter and leave the cell.
  8. 12. structure made up of a group of tissues, working together to perfrom a specific function