BIo 201: CHAPTER 2, CHEMICAL & CHAPTER 3, CELLULAR READING GUIDE 25. What are th
ID: 3507579 • Letter: B
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BIo 201: CHAPTER 2, CHEMICAL & CHAPTER 3, CELLULAR READING GUIDE 25. What are the three components of a nucleotide? 26. Adenine pairs with . Guanine pairs with 27. Name TWO ways where RNA is different from DNA. 28. Describe ATP. 29. Define metabolic turnover. Chapter 3: The Chemical Level of Orzanization cells. All of the other body cells are called 1. Sperm and egg are 2. Cells are surrounded by a watery medium called fluid/ It is called fluid in most tissues a. 3. What are the general functions of a cell's plasma membrane? 4. What are the differences between cytosol and extracellular fluid?Explanation / Answer
25. Nucleotides are the organic molecule which involves in the construction of nucleic acids such as DANA and RNA. If to say these are the building blocks of the nucleic acids.the components of these nucleotides are ... deoxyribose Sugar molecule, one nitrogen base, and one phosphate group. This nitrogen base can be either purine or pyrimidine.
26. As we know purines are pired with the pyrimidines in the construction of DAN and RNA. purine is a heterocyclic aromatic organic compound. Here adenine is a purine which pairs with the pyrimidine called thymine with two hydrogen bonds in the construction. Another one guanine is a purine and it can bind with the pyrimidine called cytocine with 3 hydrogen bonds to stabilize the structure.
27. Both DAN and RNA are neuclic acids but having difference in their structure and functions
1. In RNA it contains ribose sugar but in DNA it contains deoxyribose Sugar molecule in their structure.
2. In DNA Thymine present as one of the pyrimidine which binds with the purine called adenine. But in case of RNA Thymine is replaced by the uracli and this binds with the adenine.
3. DNA appears in double strand. Where as RNA can be seen in single strand.
4. If we consider the location of these two.. DANA can be seen in the nucleus of a cell and mitochondria. But RNA can be seen in the nucleus, cytoplasm, and in the ribosome.
28. ATP means Adenosine tri phosphate. It consider as a symbol or unit of energy which is transferred and stored in the organism.
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