The literature review shows that student alternative conceptions or misconceptions are important for teaching and learning. Causes of such student difficulties may include the counter-intuitive nature of some chemistry ...

This study reports on recurring difficulties experienced by undergraduate students with respect to understanding and interpretation of certain symbolism, nomenclature, terminology, shorthand notation, models and other ...

The diesel-degrading capabilities of Acinetobacter calcoaceticus isolates LT1, LT1A and V2 were established in previous studies. LT1 and LT1A were isolated from diesel-contaminated soil and V2 was from soil contaminated ...

The use of external representations (ERs) such as diagrams and animations in science education, particularly in the Molecular Life Sciences (MLS), has rapidly increased over the past decades. Research shows that ERs have ...

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Chlorinated aliphatic hydrocarbons (CAH’s) are a diverse group of industrial chemicals that play a significant role as pollutants of soil and groundwater. They are recalcitrant and resist degradation in most waste treatment ...

The endolysosomal system is a multifunctional system and is involved in catabolism, antigen presentation and regulation of hormones. The descriptions of, and functions assigned to organelles within the system are often ...

African trypanosomosis is a parasitic disease in man and animals caused by protozoan parasites of the genus Trypanosoma. T. congolense, T. vivax and T. brucei brucei cause nagana in cattle. The variable nature of the ...

African animal trypanosomosis or nagana is a disease in livestock caused by various species of protozoan parasites belonging to the genus Trypanosoma particularly T. congolense, T. vivax and T. b. brucei. Nagana is the ...

Trichinellosis is a zoonotic parasitic disease caused by nematode parasites of the genus Trichinella. Trichinella species infect a wide range of hosts including humans, domestic and wild animals. The main mode of human ...