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Biology 7402

8 หมวด

Biological molecules

Monomers and polymers

Nucleic acids are important information-carrying molecules

Cells

All cells arise from other cells

Transport across cell membranes

Cell recognition and the immune system

Organisms exchange substances with their environment

Surface area to volume ratio

Digestion and absorption

Genetic information, variation and relationships between organisms

DNA, genes and chromosomes

DNA and protein synthesis

Genetic diversity can arise as a result of mutation or during meiosis

Genetic diversity and adaptation

Species and taxonomy

Biodiversity within a community

Investigating diversity

Energy transfers in and between organisms

Energy and ecosystems

Nutrient cycles

Organisms respond to changes in their internal and external environments

Stimuli, both internal and external, are detected and lead to a response (

Nervous coordination

Skeletal muscles are stimulated to contract by nerves and act as effectors

Homeostasis is the maintenance of a stable internal environment

Genetics, populations, evolution and ecosystems

Evolution may lead to speciation

Populations in ecosystems

The control of gene expression

Alteration of the sequence of bases in DNA can alter the structure of proteins

Gene expression is controlled by a number of features

Using genome projects

Gene technologies allow the study and alteration of gene function allowing a better understanding of organism function and the design of new industrial and medical processes

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