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liverworts and mosses are characterized by their lack of vascular conducting tissue these two groups of liverwort plants and mosses are known by
which of the below describes the type of fruit characterized as a dry simple one-seeded indehiscent pron in-deh-hiss-ent fruit with seed attached to
which term is used to describe an animal which limits its activity to periods of dim light at dawn and duska diurnal pron die-er-nalb vesperal pron
at the end of the ventricular contraction maximum arterial pressure is attained and blood flow is most rapid this is correctly termed thea arterial
which of the below statements does not apply to arteries when comparing them to veinsa have thick wallsb carry blood away from heartc highly elastic
the name joseph merrick subject of the elephant man is generally associated with one disorder though it now seems likely he actually suffered from a
a codon comprise three nucleotides there are four possible nucleotides each of which has an equal probability of being in any one of three spots how
which of the below is not hormone associated with male reproductive physiologya prolactinb testosteronec interstitial hormoned follicle-stimulating
exchange of oxygen nutrients carbon dioxide and waste products from mother to fetus takes place through diffusion across the a chorionic villi pron
substances which are insoluble in a membrane are carried across membrane with concentration gradient by means of a carrier molecule in a process
if a male who is heterozygous for an autosomal trait mates with a female who is also heterozygous for that trait what percent of their offspring are
normal 0 false false false en-in x-none x-none
the type of gene interaction in which effects of one gene override or mask the effects of other entirely different genes is known asa mutationb
this main protein component of connective tissue in mammals includes most of the organic matter of skin bones tendons and teeth and occurs as fibrous
during final stage of cell division mitotic apparatus disappears chromosomes become attenuated centrioles duplicate and split nuclear membrane
name the sac-like blind pouch of large intestine situated below the level of junction of the small intestine into the side of large intestine at the
in the more highly developed animals like humans this gas is used to regulate activity of the heart blood vessels and respiratory system working
in mammalian body this element plays numerous important roles try to identify this element with the fewest number of clues this element is needed to
in most axons myelin sheath is interrupted at intervals of about 1 millimeter or more these interruptions are known asa collateralsb nodes of ranvier
the part of human brain which is a significant relay station for the sensory impulses and also is the origin of many of the involuntary acts of eye
lengthening of long bones in humans takes place in a specific area of the bone this area is known as thea cancellous boneb medullary canalc
when a wound occurs in humans platelets in the blood activate a substance that starts clotting process the substance which starts clotting isa
which of the subsequent statements concerning platelets is incorrect plateletsa are between 12 and 13 the diameter of the red cellb are roughly
the condition in which there is a decrease in the number of white blood cells in humans is termed asa leukocytosis pron lew-ko-sigh-toe-sisb
the various types of white blood cells are sometime together referred to asa erythrocytes pron eh-rith-row-citesb erythroblasts pron