Which of the following experiments suggested DNA was the transforming principle? O Avery, MacLeod, and McCarty O Beadle and Tatum O Mendel O Altmann
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- Review Figures 8.12 and 8.13. In cells, the primers for DNA synthesis are short strands of RNA, so each newly-synthesized strand of DNA has a segment of RNA al its 5 end. As replication proceeds, DNA polymerases remove these RNA segments and fill in the resulting gaps with DNA. However, the gaps at the very 5 ends of the new strands cannot be filled in with DNA. Why not? DNA replication leaves exposed about 100 nucleotides al the 5 end of each template strand, and these single-stranded ends are removed. What are the effects of this "end problem" on a cell's DNA as it continues to divide? FIGURE 8.12 DNA replication. Green arrows show the direction of synthesis for each strand. The Y-shaped structure where the DNA molecule is being unwound is called a replication fork. FIGURE 8.13 Discontinuous synthesis of DNA. This close-up of a replication fork shows that only one of the two new DNA strands is assembled continuously. The other is assembled in short segments.DNA GAAGGGACAATACTTTCTTAACACTTG MRNA Amino Acid Sequence 1. Which kind of protein molecule did this gene make? 2. How does this protein help the body maintain homeostasis? Conclusion Questions: 1. Examine the protein you created. If the DNA strand that you started with had a change in it (A changed to G), what would happen to the protein made?mce ce.com/student/studentformative/ Online Tools Juan Bonilla Velasquez > Nimitz 20-21: CA Biology Prosyn Question 4 (6C) A section of a nucleic acid is shown below. Nontemplate strand Polymerase Ribonudeotide Template strand The process represented in the diagram produces a molecule that is complementary to the template strand of DNA. What type of molecule is produced? Answer new DNA G polypeptide H messenger RNA carbohydrates Question 4 Next + Previous ogies inc 2021 - Edugence Sign out
- Question:- 1. ATT GAC CAA ATC CAT TGA GAC CAA What chains occur when modified DDTP thymine is added to the DNA sequence above.Question 7 What is the function of primase? It O synthesizes an RNA primer. O separates DNA strands. synthesizes the DNA O joints Okazaki fragments. O removes primer.Quiz Instructions ake sure you have watched all of the lectures before starting this homework assignment. You can find e module here. Question 1 Here is the sequence of one strand of a DNA molecule: GTC/ATG/CCC/AGA/CTA What is the DNA sequence of the other strand of this DNA molecule? The slash marks ("/") shown in the above sequence are so that you can read the sequence easier. The slash marks that are shown between the blanks below are to help you keep your place in the DNA sequence. Remember, only put 3 nucleotides in each blank, otherwise your answer will be marked wrong! 1 TGC 1 No new data to save. Last checked at 6:20pm 10 pts OCT 26 Submit Quiz M
- QUESTION 3 What type of chemical bonds hold together a DNA double helix? weak hydrogen bonds between nitrogenous bases O weak hydrogen bonds between nitrogenous bases O strong covalent bonds between phosphates O covalent bonds between deoxyribose and nitrogenous bases O hydrogen bonds between hydroxyl groupsQuestion 27 To make RNA the nucleic acid sequences get read in thedirection Sense → Antisense O Template → Partner O 3' → 5' O 5' → 3'7:07 1 How Mutations Occur (Developing) Question O Practice It! /// A Select the statement(s) that accurately describe the function of DNA polymerase and the types of mutations that may occur. O Point mutations occur when a single nitrogenous base is substituted. Frameshift mutations occur when a nitrogenous base is inserted or deleted. start d le O Point mutations are less serious than frameshift mutations, as only a single base pair is affected. DNA has rare mutations during replication because DNA polymerase functions to build and repair errors in nitrogen base pairings of A-G and T-C. 3 Pro O DNA has rare mutations during replication because DNA polymerase functions to build and repair errors in nitrogen base pairings of A-T and G-C. O Point mutations occur when a nitrogenous base is inserted or deleted. Frameshift mutations occur when a single nitrogenous based is substituted. B.McKenzie - Uncontrolled Cell Growth B.McKenzie - Uncontrolled Cell Growth B.McKenzie - Uncontrolled…
- Question:- What two items are needed to open a cell and release the DNA and then open the strands?nd 2 minutes): Any RNA polymerase in any organism: O A Synthesizes RNA chains in the 3 to-5" direction O B. Binds tightly to a reqion of DNA located thousands of base pairs away from the transcobed rogion of the DNA OC Has proofreading activity O D. Separates DNA strands throughout a long region of DNA (up to tinousands of base pairs) and then copies one of them. OE Has a subunit called A (lambda), which acts as a proofreading ribonuclease OF. Can initiate synthesis of a new RNA chain without a primerQuestion 9 What is the genetic code? O the genetic "words" that code for amino achas O all of our genes collectively O the genes that encode protein products O the genes in DNA that code for proteins No new data to save. Last c cHomig