18 Which statement about acids and bases is correct?C A A base is a donor of hydrogen ions. B An acid is an acceptor of protons. C A strong acid is fully ionised in aqueous solution. D A weak acid cannot be used to neutralise a strong base. 相关知识点: 试题来源: 解析 C 反...
Professor: Now, organic compounds, we'll talk first about amino acids and their molecular composition.Since they make up their the building blocks of proteins, and all living organisms depend on them, human life wouldn't be possible without them. ...
Determine whether the following statement is true or false, then if it is false, correct the statement: A reaction that reduces entropy cannot occur spontaneously.Determine whether each of the following statements is true or false if the statement is false, modify and rewrite it so that it is ...
Which of the following best describes a lipid? A. Lipids are biomolecules that contain the ester functional group. B. Lipids are biomolecules that contain fatty acids. C. Lipids are biomolecules that have negative effects on a person's health. D. Lipids ...
most known for pairing with curcumin, BioPerine’s active ingredient – piperine – has been demonstrated to increase absorption of CoQ10, selenium, vitamin C, beta carotene (vitamin A), resveratrol, and numerous other water and fat soluble vitamins, minerals, antioxidants, and amino acids. ...
However, both amino acids are bulky aromatics, thus it is likely that the specificity of such RF2s is unaltered. There- fore, we referred to the RF2 peptide anticodon as to SP(F/Y). On the other hand, phenylalanine is clearly predominant at this position among all RF2s, while tyrosine...
This latter patent describes the use of homologous recombination to target a specific gene or expression region of a cell—in the case in question, to induce expression of a heterologous gene. Other suitable cell lines include 293HEK cells, HeLa cells, COS cells, NIH3T3 cells, Jurkat Cells.,...
“healthy” cells. The manufacturer describes that PI has a stronger affinity to nucleic acids than SYTO 9; thus, when both stains are present within a cell, SYTO 9 will be displaced from nucleic acids and the cell(s) will fluoresce in red. To prove the mechanism Stocks [82] conducted ...
Which of the following describes the general function of the glomeruli of a nephron? Answers: A. It acts to filter urine into a product known as glomerular filtrate. B. It acts to filter blood into a product known as glomerular filtrate. C. All of the ...
Which macromolecules are different forms of cellular information required to run the cell? A) RNA, protein and lipids B) Nucleic acids, fatty acids and sugars C) DNA, RNA and proteins D) Lipids, proteins and carbohydrates Choose...