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define general hormonesgeneral hormones on the other hand are emptied into the blood by specific endocrine glands and then flow throughout the entire
explain the local hormoneslocal hormones affect cells in the vicinity of the organ secreting the hormone what we call as paracrine influence examples
what is a hormonea hormone as you may already know can be described as a chemical substance which having been formed in one particular organ or a
in neutral atom which particles are equivalent1 p e
how to make a filtera plant pot with a plug of cotton wool in the bottom and a layer of sand a few inches deep makes a satisfactory filter for many
lowing soap bubbles with hydrogenmix up a strong soap solution that will make good soap bubbles place a small funnel tube or a clay pipe on the
explain the olfactory receptorsin the section on taste receptors earlier we learnt that there is a regional distribution of taste buds for primary
number of unpaired electrons in inert gas is1 zero 2 8 3
lori ran 512 miles monday 614 miles tuesday 412 miles wednesday and 234 mile on thursday what is the average number of miles lori ran to find the
the charge on the atom containing 17 protons 18 neutrons and 18 electrons is1 1
which of the following are isoelectronic species i ch3 ii-nh2 iii- nh4 iv-nh31 i ii
how to prepare hydrogenhydrogen can be prepared from a dilute acid like as hydrochloric or sulphuric when it is chemically reacted with a metal like
how water can be decomposedyou will require a six-volt storage battery or accumulator or a battery of six dry cells for this interesting experiment
to study a hailstonewhen it hails collect some of the hailstones cut them in half and view how the ice of the hailstone has been built up in layers
frost in the classroomfrost can be made in the classroom by using a tall metal container like as a tin can pack the can with exchange layers of ice
the mass number of an anion x3- is 14 if there are ten electrons in the anion the number of neutrons in the nucleus of atom x2 of the
explain the functions of inner earthe inner ear plays an important function in the detection of sound in the last section we left middle ear function
neutrons are found in atoms of all elements except in1 chlorine 2 oxygen 3
the rain cycleyou can reproduce the rain cycle in miniature in your classroom place a box of plant seedlings on the table place a metal tray about 35
a cloud in a bottleyou can make a cloud form in a bottle get a large glass bottle and fit with a rubber stopper carrying a 10-cm length of glass
dew-point temperatureyou can calculate the dew-point temperature with a shiny can having some water a thermometer and some ice the dew-point
the water cycleheat some water unless it is near the boiling point place it in a drinking glass and rotate the glass so as to moisten the sides right
the nucleus of the element 21e45 contains1 45 protons and 21 neutrons 2 21 protons and 24 neutrons3 21 protons and 45 neutrons 4 24
the ratio of boys to girls at the dance was 34 there were 60 girls at the dance how many boys were at the danceuse a proportion comparing boys to
explain increase in sound wave pressure through middle earthere are certain factors which contribute to an approximately eighty-fold increase in