A solution contains 80 g of common salt in 640 g of water. Calculate the concentration in terms of mass
by mass percentage of the solution.
3. a) What are genes? Write their functions.
b) Where are chromosomes found inside cell?
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Explanation:
80/640×100
100/8=12.5
genes are the small segments of DNA
it inhibits the character of parents to the offspring
chromosomes are found in nucleus
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