(a)

X- Guard cell:

W-Stoma:rej Stomata

(b)

‗Have chloplast that help in the process of photosynthesis:

‗Have thin outer wall and thick inner wall to enhance bulging during opening of stomata;

Entamoeba histolytica;

Mycobaterium tuberculosis

(a) A-Concentration of salt was isotonic;to that of the cytoplasm of the Red blood cells hence no change;

(b) B-most cells haemolysed;due to hypotonic salt solution;

(c)

(a) adenosine diphosphate/ATP

(b) ADP as 2 phosphate;ATP as 3 phosphate,ATP is energy rich while ADP is energy defiant;

(c) mitochondrion;rej mitochondria

(a) I ntermittent growth curve;

(b) Moulting ;

(ii) ecdysone/moulting ormone;

(c) allows the passage of Male nuclei to react the egg cell;

Availability of Oxygen;temperature;amount of respiratory substrate.

They absorb lead vapour emitted by motor vehicle exhaust fumes;when eaten they cause lead poisoning;

deamination

Arginase

Detoxification

a) Contnuous;

b) Nutrition/environment;genes;

existence of a plant as a gamatephyte and sporophyte

Bryopyta pteridopyta.

.high temperatures;high CO2 concentration

.to neutralize excess hydrochloric acid;

Condensation

Sucrose

difusion;guttation;

Fusion of one male nuclei with a functional egg nuclei to form a diploid zygote while the other male nucleus fuse with two nuclei to form a triploid zygote. b)Marinal parietal;basal;free central exile;

resistant to diseases/pests; high yielding; long production period;

a)seminal vesicles;cowpers;prostate gand

b)

(i)many/numerous mitochondria;

(ii) long tail

(a) Sebaceous glands ;

(b)

‗Antiseptic;

‗Gives hairs water repelling property;

‗Keeps the skin supple;

‗Prevents the from drying ;

Presence of antibodies; and white blood cells in blood that kill/destroy pathogens ;

b) Higher concentration of oxygen in pulmonary vein/higher concentration of carbon (IV) oxide in pulmonary artery ;

(i) stimulate growth of graffian follicles;

(ii) maturation of sperms

(a) Glycogen

(b) POLYSACHARIDE MONOSACCARIDE

‗Not sweet. ‗Sweet

‗Insoluble in water. ‗Soluble in water

‗Many monomers ‗One monomer

(a)Phenomenon where organisms with beneficial mutations/variations/favourable xties/good adaptations in a population survive; obtain resources and reproduce and pass genes to offsprings while those with unfavourable or unsuitable variations/mutations/x-tics do not survive but die and do not pass their genes/mutations to offspring;

(b)

‗Industrial melanism is peppered moth;

‗Resistance of some bacteria to antibiotics;

‗Resistance of malaria parasite to ant-malaria drugs;

‗Resistance of pest to pesticides and insects to insecticides;

vascularization; thin epithelia; presence of trophoblatic villi;close proximity of teatol and maternal circulation;

Have large air spaces for buoyancy;

Have thin walls for faster diffusion of respiratory gas

Control amount of light entering the condenser;

Magnify the specimen;

collects moisture/vapour; reducing saturation deficit;

Conceal stomata and reduce leaf exposed for transpiration;

(a) it’s actively reabsorbed back to blood system; within the proximal convoluted tubule ;

(b) ‗Anti-diuretic hormone/ADH;

‗Aldosterone ;