DNA expresses the genetic code and the arrangement of that code determines the characteristics of different and diverse organisms. Which the following statements does NOT support the universality of DNA? O The order of nucleotides in all plants, animals, bacteria and fungi, is the same. O DNA is able to mutate and change the structure and/or function of an organism. O Genetic codons in all organisms code for the same 20 amino acids. O All organism replicate DNA by pairing of A-T and C-G.
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- Plsssss helpppp, determine if the statements below are true or false: 1. When living things make new cells, they must make more DNA. 2. A semi-conservative strand of DNA consists of half DNA from the original and the other half is new.Evolution accounts for the unity and diversity of life, and the continuity of life is based on heritable information in the form of DNA. In a short essay (100-150 words), discuss how the fidelity with which DNA is inherited is related to the processes of evolution. (Review the discussion of proofreading and DNA repair in Concept 16.2.)Which of the following sequences on a DNA moleculewould be complementary to GCTTATAT?a. TAGGCGCGb. ATCCGCGCc. CGAATATAd. TGCCTCTC
- The DNA nucleotide sequence that's complementary will base pair to a strand of DNA with the following sequence, 5' GTAATC 3' is? 5'GUAAUC3' 3'CATTAG5' 5'CATTAG3' 3'CAUUAG5' 3'GTAATC5'Scientific Inquiry Suppose you are a research assistant ina lab studying DNA-binding proteins. You have been giventhe amino acid sequences of all the proteins encoded bythe genome of a certain species and have been asked to findcandidate proteins that could bind DNA. What type of aminoacids would you expect to see in the DNA-binding regions ofsuch proteins? Explain your thinkingShown below is a DNA coding strand. A base (*G*) mutates to Adenine (A). What will be the resulting amino acid sequence as a result of the mutation? What type of mutation occured? Hint: Determine the template, then first determine the amino acid sequence before the mutation, and then determine the amino acid sequence after the mutation. Show how you got your answer. 5' T-A-C-T-T-C-C-A-*G*-C-C-G-C-T-C 3'
- The double-helix model of DNA resembles a twisted ladder inwhich the rungs of the ladder area. a purine paired with a pyrimidine.b. A paired with G, and C paired with T.c. sugar-phosphate paired with sugar-phosphate.d. a 5′ end paired with a 3′ end.e. Both a and b are correct.Have you ever wondered how life on earth sprang up? Where does life come from and what does it take to be alive? Recently, researchers have synthesized ribose- the sugar involved in the backbone of RNA- in the lab based on ice commonly found in space. Previously researchers had synthesized pyrimidine bases cytosine, uracil and thymine; parts of the DNA/RNA alphabet. While others have collected amino acids from meteorites. Think about all the different components that need to work to replicate DNA, create mRNA messages, and translate those messages into proteins for the cell to use. In this post you will reflect on the possibility that all these things have come together to create life somewhere other than on earth. In this discussion, pick a side (yes or no) and answer the following question: Do you think life in outer space is possible? If YES, what might it look like? If NO, why do you think it is not possible? Please remember to add a question to engage your classmates in the…A segment of DNA has the following sequence:TTGGATGCTGAACCTACGACA. What would the sequence be immediately after reaction withnitrous acid? Let the letters H represent hypoxanthine and Urepresent uracil.B. Let’s suppose this DNA was reacted with nitrous acid. Thenitrous acid was then removed, and the DNA was replicated fortwo generations. What would be the sequences of the DNAproducts after the DNA had replicated two times? (Note:Hypoxanthinepairs with cytosine.) Your answer should containthe sequences of four double helices.
- Describe the DNA components (chemical structure), the chemistry between AT and GC relating to stability and variance among organisms, DNA replication, mutation, deletion, duplication, repair and DNA transfer processes from one cell to anotherEcoRI is an enzyme that comes from the bacteria E. coli and recognizes the DNA sequence GAATTC. Which of the following organsims would you expect to NOT contain the sequence GAATTC anywhere in their DNA? all bacteria humans yeast E. coli bacteriaChromosomal ____________include those that removeor add base pairs (deletions and duplications), and thosethat relocate DNA regions (inversions and translocations).