Quantitative changes, Biology

Quantitative changes

The quantitative changes in the availability of the active biomolecules occur in order to compensate for the loss of efficiency of the system caused by the stress. This is illustrated by the following examples.

  1. There is an increase in the amount of ribulose bisphosphate carboxylase in plants exposed to bright light than those in shade. As you can correlate, there should be an increase in the level of this enzyme to make use of the extra reducing power, (NADPH) generated due to high light intensity.
  2. During infection, enhanced synthesis of hydrolytic enzymes for destroying the invader, and synthesis of inhibitors by host that work against the damaging enzymes produced by the invaders has been observed.
  3. In halotolerant species there is an increase in the synthesis of certain amino acids in order to keep the osmotic balance.
  4. To protect against injury due to toxic metal, there is enhanced synthesis of chelating molecules to avoid toxic ions.
Posted Date: 1/18/2013 12:07:06 AM | Location : United States

Related Discussions:- Quantitative changes, Assignment Help, Ask Question on Quantitative changes, Get Answer, Expert's Help, Quantitative changes Discussions

Write discussion on Quantitative changes
Your posts are moderated
Related Questions
Q. Can Nutrition affecting the growth of microorganism? Ans. Food is food to humans and microbes - be it carbohydrates, proteins or fats. The nutritional requirements of b

I dissolve 4µg of DNA in 1mL of water. How much of this solution would I need in order to add 10ng of DNA in a reaction?

Regulation of Respiration Whenever the need for oxygen in the body increases, ventilation of the respiratory organs also increases. In the same way whenever the level of oxyge

Determine Food Sources of ascorbic acid (vitamin c)? Food sources of vitamin C include: Rich sources: Amla and guava. Good sources: Drumstick leaves, other leafy ve

Explain about the Musculoskeletal System? Osteopenia (decrease in bone mineral content) is observed with aging. There is an average of 30% decline in the bone mineral density f

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Metalimnion - Summer Stratification This zone lies below the epilimnion and above the hypolimnion and thus forms the intermediate layer which is non-circulating. The metalimni

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Upwelling zones of high biological productivity are found along the western coasts of the major continents. What causes this upwelling? a- cold currents moving from the equator tow

Define the Blood coagulation - Function of Vitamin K? The primary function of vitamin K in the body is in the maintenance of normal blood coagulation. The vitamin K-dependent c