Whether the statement ‘an example of a person in positive nitrogen balance is a pregnant woman, is true or false. Concept Introduction: Nitrogen is an element which is found in all plants as well as animal cell. Nucleic acid andprotein is major dietary source of protein. There are 3 types of Nitrogen balance: (1) Nitrogen equilibrium (2) Positive nitrogen balance. (3) Negative Nitrogen balance.

Question

C (i) above. 25. The following table shows energy requirements and nutrients of individuals in different age groups and sexes; Nutrients Iron Calcium Occupation and Energy age Retired male Protein (mg) Requirement 6400KJ 14200KJ 14900Kj (mg) (mg) 25 4.2 0.4 ason 110 16.6 1 senage boy 112 17.0 1.2 4,400KJ Retired female Pregnant house wife 10,300KJ Teenage girl 2.1 0.1 1.5 11 16 110 24 9,800KJ 116 22.1 (a) Account for the differences in energy and nutrients requirements between: (i) Teenage girl and teenage boy. (ii) Retired female and pregmant house wife. (iii) Retired male and mason. b) Other than age and occupation, give other factors that influence energy requirement in man. c) State two functions in each case for calcium and iron in the body.

Answer 1

Question

Chapter 6, Problem 10SC

Summary Introduction

Interpretation:

Whether the statement ‘an example of a person in positive nitrogen balance is a pregnant woman, is true or false.

Concept Introduction:

Nitrogen is an element which is found in all plants as well as animal cell. Nucleic acid andprotein is major dietary source of protein. There are 3 types of Nitrogen balance:

(1) Nitrogen equilibrium

(2) Positive nitrogen balance.

(3) Negative Nitrogen balance.

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C (i) above. 25. The following table shows energy requirements and nutrients of individuals in different age groups and sexes; Nutrients Iron Calcium Occupation and Energy age Retired male Protein (mg) Requirement 6400KJ 14200KJ 14900Kj (mg) (mg) 25 4.2 0.4 ason 110 16.6 1 senage boy 112 17.0 1.2 4,400KJ Retired female Pregnant house wife 10,300KJ Teenage girl 2.1 0.1 1.5 11 16 110 24 9,800KJ 116 22.1 (a) Account for the differences in energy and nutrients requirements between: (i) Teenage girl and teenage boy. (ii) Retired female and pregmant house wife. (iii) Retired male and mason. b) Other than age and occupation, give other factors that influence energy requirement in man. c) State two functions in each case for calcium and iron in the body.

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