Biology Dr Hesham

mutations / quick note /tips and tricks / biology sec 3 final revision

menstrual cycle and contraceptive methods quick note and tricks / biology sec 3 final revision

comparison between prokaryotes and eukaryotes

endospermic and exendospermic seeds

protein synthesis / quick note and tricks / biology sec 3 final revision

DNA cloning quick note / tips and tricks / biology sec 3 final revision

answer of sensation in plant / biology sec 2 / 2nd term

answer of sensation in man / nerve impulse / biology sec 2 / 2nd term

answer of sensation in man / nerve cell / biology sec 2 / 2nd term

sensation in plant / mimosa plant / tropism // biology sec 2 / 2nd term

answer of excretion in plant / biology sec 2 / 2nd tern

answer of nucleic acid

answer of mutations

RNA and protein synthesis

efforts of scientists to detemine the genetic material of living organisms

excretion in plant / biology sec 2 / 2nd term

answer of excretion in kidney and liver / biology sec 2 / 2nd term

answer of excretion in man ( skin ) biology sec 2 second term

excretion in man (skin) biology sec 2 / second term / lecture 1

immunity in plant , chapter 4 , biology sec 3 ,, بعد تعديل المنهج

revision of cellular respiration , chapter 3 , biology sec 2 final revision

answer of general exams 8,9,10 biology sec 2 final revision

answer of general exams 4,5,6,7 biology sec 2 final revision

answer of general exams 1, 2 , 3 biology secondary two final revision

ELMOASSESS BOOK , answer of reproduction in plant , biology sec 3

revision for November exam / transport in living organisms // biology sec 2

LECTURE 11/ circulatory system // blood circulations / lymphatic system

lecture 10 // circulatory system // lesson 3 / chapter 2 // biology secondary 2

lecture 9 / circulatory system / transport in man / the HEART / part 1 /CARDIAC CYCLE

answer of hormones questions / ELMOASSESS BOOK // adrenal gland / pancreas / gonads / G I hormones