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when a human donor gives a pint of blood it generally requires how many weeks for body reserve of red corpuscles to be replaced is ita 7 weekb 3
surplus red blood cells required to meet an emergency are generally stored in what organ of the human body is it thea liverb spleenc pancreasd
of the following which mechanisms are significant in the death of erythrocytes pron eh-rith-reh-sites in human blood is ita phagocytosis pron
several living organisms exhibit the unique property of producing visible light compound that is oxidized with subsequent light emission is generally
truffles morels and the many yeasts that are basic to fermentation processes belong to this group of fungi these fung are termed as a phycomycetesb
most of the fungi normally observed are members of this group of fungi that includes toadstools mushrooms and puffballs this group of fungi is termed
process of nuclear reorganization in protozoa in which nucleus divides each half undergoes a maturation and two persisting functional nuclei reunite
which term is used to describe the process whereby a catheter is inserted into an individuals heart a radio-opaque medium is injected amp x-ray
name that gelatin-like substance which is prepared from different species of red algae growing in asiatic waters prepared product appears in the form
part of the endocrine system in humans these 2 glands are small bodies located at upper end of every kidney while these glands perform a range of
which cell count is likely to be elevated when an individual has an allergy or parasitic wormsa red blood cellsb erythrocytec eosinophil pron
the bacteria that cause dental cavities in humans break down sugars releasing what chemical which causes tooth destructiona acidsb basesc enzymesd
name of the ductless glands that secrete their product into the circulatory system area exocrine pron ek-seh-krenb apocrine pron ap-eh-krenc
in a plasma membrane which of the below provides a general barrier to the movement of moleculesa lipidsb proteinsc carbohydratesd all of theseanswer
true or false the law of entropy says that all energy is ultimately derived from the
which of the below are skin receptors in humans which are sensitive to heat are theya end organs of krauseb meissners corpusclesc end organs of
hormones are composed from several classes of molecules as far as our present knowledge extends hormones are not found in which of the subsequent
if a color blind man marries a woman pure for normal color vision its probable that one of the below situations may result is it possible thata all
for convenience living things are placed into different groups taxonomic breakdown of living things comprises the following categoriesfamily class
which of the below determines the major difference between bryophytes pron bry-oh-fites and tracheophytes pron tray-key-o-fitesa tracheophytes can
describe the term - near-far problemsignals closer to the receiver are received with less attenuation than signals farther away given the lack of
what is self-jammingunless all of the mobile client are perfectly synchronized the arriving transmissions from multiple clients will not be perfectly
determine the uses of iron - soiliron is a constituent of cytochromes haem and non-haem enzymes it is also essential for chlorophyll formation though
how boron affect the the synthesis of proteinsinadequate availability of boron tends to increase the loss of phosphorus from plant roots and also
describe in brief about the boron - micronutrients boron is required in extremely small amounts in the range of 001 to 10 ppm the actual