The proteins are called Histone proteins. Chromosomal DNA is packaged such that the strands of DNA are wound around histone proteins and fold into complex ways to form chromosomes. The histone proteins are positively charged proteins that strongly adhere to negatively charged DNA and form complexes called nucleosomes. Each nucleosome is composed of double-helical DNA wrapped.
Cells need water to survive for a dispose of waste
Answer:
The answer is "Photosynthesis creates glucose (sugar) which is used in cellular respiration."
Explanation:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. We breathe in that oxygen, which is carried through our blood to all our cells. In our cells, oxygen allows cellular respiration to proceed. Cellular respiration works best in the presence of oxygen. Without oxygen, much less ATP would be produced.
Learn more at https://flexbooks.ck12.org/cbook/ck-12-middle-school-life-science-2.0/section/2.17/primary/lesson/connecting-cellular-respiration-and-photosynthesis-ms-ls
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Answer;
- large-scale changes in chromosome structure
Explanation;
-Alterations to chromosome structure or changes in the number of copies of chromosomes in a cell.
-Allele frequencies in a population may change due to four fundamental forces of evolution: Natural Selection, Genetic Drift, Mutations and Gene Flow. Mutations are the ultimate source of new alleles in a gene pool. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.
Answer:
The correct answer is Option a. The amino group is sensitive to OH-.
Explanation:
Protein denaturation means change in the structure of the amino acid. Amino acid is sensitive to various environmental factors such as pH. If the pH of the medium increases or decreases from optimum level, denaturation of protein occurs. Hydrogen bond is present in between amino acid molecules. When pH changes, hydrogen bond is disturbed and structure of protein changes.
