Steroids
Steroids - Steroids are commonly found in human body in the form of cholesterol, testesterone, oestrogen, progesterone and cortisterone. Cholesterol acts as precursor for other body steroids - which are hormones. Steroids are normally prepared by activated hy..
Functions of steroid hormones
1. Sex hormones - are divided into 3 groups (i) male sex hormones or androgens (ii) female sex hormones or estrogens (iii) pregnancy hormones or progestines Testosterone is the major male sex hormone produced by testes. It is responsible for male characteristics (deep voice, facial hair, general p..
a) Fuel rods
The fissionable material used in the reactor is called fuel. The fuel used is enriched uranium 235 (in the form of U 2 O 3 ). The solid fuel is made into rods or pellets, which are shielded by placing in stainless steel tube..
Did the artist use perspective?
Did the artist use perspective? => yes or no..
Did U Know?
PERSISTENT ORGANIC POLLUTANTS [POP] OR PESTICIDES enter our food chain through various methods. DDT, a very harmful pesticide has been banned from use. Almost all ready made foods contain two or more pesticides. Among fruits and vegetables peaches, apples, spinach and lettuce have the h..
Use the graph to answer the question. Which lunch did the children lik..
Use the graph to answer the question. Which lunch did the children like less? => Sandwich or Burger or Taco..
Asha used four line segments to draw a polygon. Which polygon did she ..
Asha used four line segments to draw a polygon. Which polygon did she draw? => triangle or pentagon or rectangle or hexagon..
Zelma bought 13 floppies and she used 6 floppies to copy her assignmen..
Zelma bought 13 floppies and she used 6 floppies to copy her assignment. What fraction of the floppies did she use? => 13 6 or 5 12 or 6 13 or 1 2..
Frank used 5 squares to make each building. How many buildings did he ..
Frank used 5 squares to make each building. How many buildings did he make with 57 squares? How many squares were not used in the building? => 12 buildings; 3 squares not used or 11 buildings; 2 squares not used or 12 buildings; 2 squares not u..
Frank used 5 squares to make each building. How many buildings did he ..
Frank used 5 squares to make each building. How many buildings did he make with 57 squares? How many squares were not used in the building? => 12 buildings; 2 squares not used or 10 buildings; 7 squares not used or 12 buildings; 3 squares not u..
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