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An ATP molecule consists of a purine bas...

An ATP molecule consists of a purine base ........, a pentose sugar and ............. interlinked phosphate units.

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adenine, ribose, three
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Fill in the Blanks (i) The outermost electronic configuration of Cr is ……………. (ii) The 2p_(x),2p_(y), and 2p_(z) orbitals of atom have identical shapes but differ in their ………………….. (iii) Wave functions of electrons in atoms and molecules are called..................... (iv) The light radiations with discrete quantities of energy are called........................ (v) The uncertainty principle and the concept of wave nature of matter were prposed by........................ and ............................ respectively. (Heisenberg, Schrodinger, Maxwel, de Broglie) (vi) The wave number of the shortest wavelength transition in the Balmer series of atomic hydrogen is................ (vii) The modern atomic mass unit is based on the mass of ................... (viii) The orbitals possessing same energy are known as................................ (ix) Wave functions of electrons in atom and molecules are called............................ (x) The type of magnetism exhitited by [Mn(H_(2)O)_(6)]^(2+) ion is ........................... (xi) The p-orbitals are directed towards................ coordinate and are at ................... angles to one another. (xii) The energy change in an electron jump is given by....................

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DNA and RNA differ in their sugars and purine base components.

A segment of DNA molecule contains 20,000 base pairs. What is the number of phosphate molecule in this DNA molecule ?

Complete the following paragraph by filling in the blanks (i) to (x) with appropriate words: Respiration is a (i) ................. process of releasing energy from simple sugar for carrying out life processes. Glycolysis takes place in (ii) ............ and Krebs cycle takes place in (iii) . ............ Aerobic respiration proceeds in the presence of (iv)................... During this process, a total of (v) .......... molecule (s) of ATP is liberated from one mole of glucose. In animals, (vi) .................. is formed during anaerobic respiration. In yeast, (vii) .............. is broken down into (viii) ............... at the time of fermentation. Respiration is completely (ix) ........ to photosynthesis. Respiration occurs in all living cells but photosynthesis is only carried out in the cells containing (x).........

ICSE-BIOMOLECULES-EXERCISE (PART-I)(OBJECTIVE QUESTIONS)(FILL IN THE BLANKS)
  1. Chemical name of vitamin B(12) is..........

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  2. Anaemia is caused by lack of ...... and iron.

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  3. Vitamin A deficiency leads to disease known as.....

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  4. Fructose is sometimes called ....... sugar.

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  5. Structures which differ in configuration around C - 1 atom are called....

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  6. All naturally occurring amino acids possess ...................... con...

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  7. The amino acids which human body cannot synthesise are called ...........

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  8. The non-protein material present in a conjugated protein is called ......

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  9. The purine bases present in nucleic acids are .......... and ............

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  10. The pyridimidine bases present in RNA molecule are ........... and ......

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  11. DNA sequence that acts as a code for a specific protein or polypeptide...

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  12. The sugar present in RNA is .. ..... While the sugar present in DNA is...

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  13. Vitamins A, D, E, K are .......... soluble while vitamines of B-group ...

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  14. Both DNA and RNA are polymers of basic repeating unit, called a .........

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  15. Haemoglobin present in blood acts as ..................

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  16. The process by which a single DNA molecule produces two identical copi...

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  17. Isoelectric point of glycine is .......

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  18. An ATP molecule consists of a purine base ........, a pentose sugar an...

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  19. Proteins are made up of ........... Units held together by ..............

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  20. ................ And ..................... Are functional isomers.

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