Cell membranes enable organisms to maintain homeostasis by regulating the materials that may enter or leave a cell.
Answer:
Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes, novel traits, and new species.
Explanation:
<u>Trans fats</u> can elevate LDL cholesterol, increase triglycerides, and lower HDL cholesterol.
These fats have a significant result in raising blood cholesterol levels. It exist naturally in small quantity in some meat and dairy products.
The raised blood cholesterol levels are a risk factor for heart disease/attack. Triglycerides are the fat present in our bloodstream.
It is so because trans fatty acids have one or more double bonds present in trans configuration instead of the usual CIS configuration. Trans fats are unsaturated fats produced from vegetable oils. Therefore, trans fats are commonly used in the composition of margarine and commercially baked or fried foods.
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3,000 kilijoules.
You go from 300,000 at the first trophic level to 30,000 at the second trophic level, and finally 3,000 at teh third.
Theories are often the best explanations of natural phenomena we currently have. Yet, what one has to realize is that science is ever changing. That is why (B) is the correct answer, as new examinations, experiments, and discoveries could change some of these well-accepted theories. There is no way to "harm science" with viable observations and discoveries so (A) is incorrect. Answer (D) is also wrong since there is no assurance that a theory will never change in the future as they are merely accepted hypotheses. Answer (C) is not the best answer since theories are usually well supported and wouldn't be veritable if every examination proved flaws.
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