Embryo

Biological Anthropology

Human development is a process of growing to maturity. In biological terms, this involved progress from a one-celled zygote to a fully matured human being. It is said that human beings are the result of nature and nurture. Their progress …

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Biotechnology and genetic engineering

1 Biotechnology and genetic engineering of both plants and animals raise a lot of issues from concerned groups such as the Green Peace and Friends of the Earth environmental activists. Biotechnology is “defined as the application of scientific and engineering …

Copyright vitamine A

CONCLUSION The role of vitamin A deficiency is not limited to the initial processes involved in receiving visual stimuli. Normal functions of the photoreceptors or light-sensory receptors of the eyes largely depend on the presence of vitamin A and its …

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