by Sunday | Sep 20 | NABTEB QUESTIONS
i. Movement in and out of water molecules in animal cells ii. Re-absorption of water in the kidney tubules iii. Absorption of water from undigested food in large intestine/colon iv. Haemolysis in red blood cells.
by Sunday | Sep 20 | NABTEB QUESTIONS
A named living material – egg membrane, urinary bladder, base of pawpaw petiole, yam cup, pawpaw fruit, yam strip, yam tuber. Description of the experiment: 1. Cut two thick pieces of yam tuber. 2. Peel off the bark 3. Remove the central portion to make them look like...
by Sunday | Sep 20 | NABTEB QUESTIONS
Osmosis is the movement of water molecules, from their area of higher concentration, to their area of lower concentration through a semi-permeable membrane, until equilibrium is reached.
by Sunday | Sep 19 | NABTEB QUESTIONS
i. Tallness, shortness, dark complexion, light complexion ii. Hairy body, baldness, flat nose, pointed nose, thick lips iii. Gigantism, dwarfism, fatness, thinness, albinism, knock-kneed iv. Free/attached ear lobe v. Fingerprint
by Sunday | Sep 19 | NABTEB QUESTIONS
1. The alleles for tallness can be homozygous or heterozygous as TT or Tt 2. During gametes formation the genes separate independently 3. Genes of gametes combine randomly during fertilization 4. A gamete carries only one member of the alleles T or t 5. During...
by Sunday | Sep 19 | NABTEB QUESTIONS
i. The male produces two different types of gametes – Y and X ii. The female produces only one type of gamete – X iii. After mating, numerous male gametes surround the female gamete iv. Some of these male gametes carry Y and other X chromosomes. v. If the male gamete...