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What is the lipid membrane hypothesis?
The lipid hypothesis was one of two hypotheses (the other being the chronic endothelial injury hypothesis) developed in the 1850s to explain the pathogenesis of atherosclerosis. It proposes a connection between plasma cholesterol level and the development of coronary heart disease.It was proposed by the German pathologist Rudolf Virchow in 1856 and suggested that blood lipid accumulation in arterial walls causes atherosclerosis.[citation needed][1] Since the emergence of cardiovascular disease as a major cause of death in the Western world in the middle of the 20th century, the lipid hypothesis received greater attention. An accumulation of evidence has led to the acceptance of the lipid hypothesis as scientific fact by the medical community;[2]however, a small but vocal minority[who?] contend that it has not yet been properly validated, and that vascular inflammatory mechanisms prevail independent of blood cholesterol levels
The experimental approach taken in current biological investigations presumes that?
the experimental approach taken in current biological investigations presumes that hypothesis-driven research involving controlled experiments can provide reliable and repeatable results that help further our understanding of biological processes. This approach often involves manipulating variables to test specific hypotheses and drawing conclusions based on evidence collected during the experiment.
What is the tallness trait of a pea plant moving separately from the color trait an example of?
This is an example of Mendel's second law, the Law of Independent Assortment, which states that the appearance of one trait will not affect the appearance of another. Current understanding of genetic inheritance, however, has shown that this is not always the case because two genes which are located close to each other on the same chromosome will most likely be inherited together.
Whose early work is the basis for much our current understanding of genetics?
Mendel discovered the concept of inheritable traits. Johannsen coined the term gene. TH Morgan identified the gene as a distinct locus. Crick, Watson and Franklin elucidated the 3D structure of DNA.
How long did Wegener think it took for the supercontient to break apart and form the positions your content?
Alfred Wegener proposed the theory of continental drift, suggesting that the supercontinent Pangaea broke apart over a period of 200 million years, with the continents gradually moving to their current positions. Wegener's hypothesis laid the groundwork for the modern theory of plate tectonics.
What is before the hypothesis?
Before the hypothesis, researchers typically conduct background research and gather existing knowledge about the topic of interest. This involves reviewing literature, identifying gaps in current understanding, and formulating research questions. The hypothesis is then developed as a testable statement that predicts the relationship between variables based on this preliminary information.
What are synonyms of hypothesis?
Another word for 'hypothesis' is an educated guess, which is essentially what a hypothesis is. It is a guess taked from what you assume will happen, given your current knowlege.
What was Hans christian oeresteds hypothesis on electric current flows?
Hans Christian Oersted's hypothesis was that an electric current produces a magnetic field around it. This hypothesis led to the discovery of electromagnetism and laid the foundation for the development of the field of electromagnetism.
What is a hypothesis for conductors and insulators?
A hypothesis for conductors and insulators could be: "If a material allows the flow of electrical current easily, then it is a conductor. If a material inhibits the flow of electrical current, then it is an insulator."
What is a science answer to a science question?
Usually the current 'answer' to a scientific problem would be called a theory. However when used in an experiment people refer to the current answer to a problem as the nul hypothesis and the new, to be tested, theory as the alternative hypothesis.
What is the hypothesis for parallel circuits?
In a parallel circuit, the hypothesis is that when components are connected in parallel, the total current flowing into the junction equals the total current flowing out. Essentially, the hypothesis states that the total current remains constant regardless of the number of parallel paths.
What is continenetal drift?
The hypothesis that the continents have mved slowly to their current locations.
What is the hypothesis that the continents have slowly moved to their current locations?
its Continental drift
What is the hypothesis of a rheostat?
The hypothesis of a rheostat is that by changing the resistance in a circuit using the rheostat, the current flowing through the circuit can be varied, thus regulating the output of the circuit.
Is Congress likely to extend the current exemptions on inheritance tax before they expire?
Congress didnt extend the current exemptions on inheritance tax. The exemptions are only temporary though and tax is likely to be reinstated fully within a year. More than likely Congress will extend the exemptions on the inheritance tax. When they are close to expiring they will be brough up for a vote.
Can a hypothesis be changed?
Yes, a hypothesis can be changed based on new evidence or data that contradicts the original hypothesis. It is important for scientists to revise their hypotheses in order to accurately reflect the most current understanding of a phenomenon or issue.
What is a part of a Pangaea hypothesis is called?
A part of the Pangaea hypothesis is called continental drift, which suggests that the Earth's continents were once connected in a single landmass before breaking apart and drifting to their current positions.
