Climate variations are averaged by using weather conditions from past years. Climate variability varies by seasons, because some seasons get colder than others, and there could be more precipitation in the atmosphere, which would then make it easier to calculate future rainfall, making people aware of storms that are coming ahead of time and allowing them to prepare for it (making storm water drains, etc.).
Over the years, greater controversy has arisen over environmental issues as the issues addressed have become more complex and less easily identifiable.
The correct statement is that the ribozymes may function in RNA splicing.
Non-proteinaceous RNA enzymes are known as ribozymes. They function as molecules that catalyze reactions in which RNA is the catalyst. Within the nucleic acid molecules, these molecules have the capacity to both break and create covalent bonds. RNA splicing may be facilitated by ribozymes. Despite having a small chemical repertoire, they have a wide range of biological functions and are essential for the three kingdoms of life. They are involved in the maturation of transfer RNA, intron splicing, the replication of RNA viruses or viroids, the control of messenger RNA stability, and protein synthesis.
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Answer:
The population has evolved because there was a change in allele frequencies.
Explanation:
The four types of Lipoproteins are:
Very Low Density Lipoprotein: Very low density lipoprotein consists of protein, cholestrol and fats. It is synthesized at liver. It has 5 apoporotein asosciated with it and in conversion to intermediate density lipoprotein and low density lipoprotein these apoproteins are removed except one apoprotein called B100.
Low Density Lipoproteinfats. It chiefly consists of cholestrol. It transport all the fat molecules around the body to extracellular fluid. LDL posses risk of cardiovascualr diseases if it invade the endothellium and oxidized.
High Density Lipoprotein: HDL is the dense lipoprotein with highest protein to fat ratio.HDL takes awat fat from cells to liver thereby lowering blood cholestrol level. Hence also knows as good cholestrol. HDL increases with exercise, weight loss and higher estrogen level.
Chylomicrons: Chylomucrons are largest and least dense lipoprotein. It has got highest triglyceride content. It transport fats and cholestrol from intestine to liver, muscles and fat cells.
