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q what is the estimated percentage in mass of water in the human body is this percentage expected to be larger in the adult or in the old
q what are biopolymerspolymers are macromolecules made by the union of several smaller identical molecules called monomers biopolymers are polymers
q what are the few examples of the control and informative function of organic moleculesbased on genetic information organic molecules control the
q what are the few examples of the energetic function of organic moleculessince they are complex molecules organic molecules store large amount of
q what are the few examples of the structural function of organic moleculesorganic molecules have a structural function as they are part of cell
q what are the major purposes of the organic molecules for living beingsorganic molecules like lipids carbohydrates and proteins perform several
q what are the major significant organic molecules for living beingsthere are many types of organic molecules that are important for the living
q which are mineral salts where in living beings can found mineral saltsmineral salts are simple inorganic substances made of metallic chemical
q which are the most important inorganic molecular substances for living beingsthe most important inorganic substances for living beings are mineral
q living beings are made of inorganic and organic substances according to the molecular complexity how can each of those substances be
q which chemical elements are involved to form most of living biological matterthe chemical elements that form most of the molecules of living beings
a anti-malarial drugs kill the parasites in the blood but they do not cure the diseasewhy is this b why was the use of ddt insecticide not successful
by what means can malarial parasites be transmitted from an infected person to a healthy person the malaria parasite is transferred when a healthy
how can a baby become infected with a gonorrhoea b syphilis a during birth a baby might be become infected with gonorrhoea bacteria as it
a person with a cough takes a patent cough syrup in three days the cough is better does this mean that the syrup has cured the cough justify your
what sources of water are a most likely b least likely to contain pathogenic bacteria a water most likely to have pathogenic bacteria will be that
three ways in which food might become contaminated by harmful bacteriafood may become contaminated-i from the unwashed hands of a food-handlerii by
a give two examples of diseases which can be spread by contaminated drinking water b how can the spread of such diseases be prevented a typhoid
q a in droplet infection i where do the droplets come from ii what infective agents might they contain b give two examples of diseases normally
a what is the distinction among breathing and respiration b what part do ventilation and gaseous exchange play in these processes a breathing
which two gases are exchanged when living organisms breatheoxygen and carbon dioxide are the gases exchanged when living organisms
in what ways might a clothing b housing c writing have contributed to the survival of human beings a clothing and b housing provide warmth and
state two characteristics of humans which distinguish them from other primates two features which differentiate humans from other primates are their
which types of mammal are included in the primate group the primate group containsa lemursb monkeysc apes and
state the ways in which a all plant cells b some plant cells vary from animal cells a all plant cells have a cellulose cell wall b some