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The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

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This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

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This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

Plant Water Regulation
Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Lights' Effect on Growth
Lights’ Effect on Growth

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Human Reproduction
Human Reproduction

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..