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TLS Online TPP Program

#Id: 2388

Specific exonic and intronic sequences can enhance or suppress splice site selection.

#Unit 3. Fundamental Processes #Splicing #Part B Pointers
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TLS Online TPP Program

#Id: 7982

#Unit 10. Ecological Principles

Adaptation to water viscosity
Some small aquatic organisms exploit the high viscosity of water by evolving large appendages
Streamlined shapes that reduce the drag caused by the high viscosity of water
TLS Online TPP Program

#Id: 7983

#Unit 10. Ecological Principles

Increased amounts of the amino acid proline or sugars such as glucose and fructose increase solute concentration, drawing water into the cells.
TLS Online TPP Program

#Id: 7984

#Unit 10. Ecological Principles

Sugars bind to phospholipids, helping stabilize cellular membranes, preventing them from becoming damaged during times of drought.
TLS Online TPP Program

#Id: 7985

#Unit 10. Ecological Principles

Some plants of arid habitats close their stomata in the day and open them at night, when it is cooler.
TLS Online TPP Program

#Id: 7986

#Unit 10. Ecological Principles

Urohydrosis - Some birds, such as vultures and storks, excrete urine on their legs, cooling themselves by evaporation.
TLS Online TPP Program

#Id: 7987

#Unit 10. Ecological Principles