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Order the letters in the word
1. ZYENMES speed up biochemical reactions. 2. TAMINVIS are regulator molecules. 3. HYDCARRATESBO are primary energy source for all organisms. 4. ORGINANIC NDSCOUPOM do not have a carbon skeleton. 5. PIDLIS are secondary source of energy for organisms.
Find 17 words on the theme “The chemistry of life”. Words can be placed horizontally, vertically and diagonally
Match the sentence halves
Fill in the gaps accumulation ; keratin ; lipids ; atoms; speed up; vitamins ; tocopherol; proteins; fats; DNA and RNA ; chemical bonds; glucose; nucleic acids; carbon; enzymes ; carbohydrates; organic compounds; hormones; bone growth ; minerals ; compounds ; carbon hydrogen oxygen nitrogen; protons neutrons electrons ; inorganic compounds
1. Four basic elements, ………., …………., ……………., ………. make up 96% of an organism’s body. 2.…….are the simpliest units of elements. 3. Atoms are composed of ……….., ………..and ……………. 4. Different atoms are joined by……………. to form compounds. 5.……………… are divided into two main types inorganic and organic. 6.……….do not have a carbon skeleton. 7.…….is the most important inorganic compound. 8.………are needed for normal growth and development. 9. Calcium and potassium are minerals needed for …………….. 10.……..is the central component of all organic compounds. 11. The major groups of biologically important…………are carbohydrates, proteins, lipids, vitamins, enzymes, and nucleic acids. 12.………………..are the primary energy source of all organisms. 13.………..is very important for brain cells. 14.……..are the secondary source of energy for organisms. 15.………also have protective and supportive functions in organisms. 16. Arteriosclerosis, which is the …………. of that molecules on the walls of blood vessels. 17.……….. are the structural compounds of all organisms. 18. Hair and fingernails are made up of a protein called……….. 19.………..are regulator molecules. 20.………..are biological catalysts. 21. Enzymes……….biochemical reactions. 22.………..carry message from one organ to another organ. 23.……………control all life activities in the cell. 24.………..are nucleic acids found in the cells. 25. Vegetables oils, nuts seeds are sources of…………..
Mini project. Group A Study Figure 1 on page 15. A. What do the following numbers in the box refer to?
B. Prepare a short presentation on the theme ‘What an adult human body contains’ Include in your presentation additional information.
Figure 1
Group B Study Table 1 on page 16 A. Answer the questions 1. What does deficiency of Retinol cause? 2. Which products are the sources of Folic acid? 3. What does deficiency of Tocopherol cause? 4. What regulates normal growth and development?
B. Prepare a short presentation on the theme ‘Vitamins’. Include in your presentation additional information.
Table 1 Vitamins
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