Biologists hypothesize that transposons eventually lose the ability to replicate and therefore remain embedded in DNA without moving around. Suggest a possible reason for this loss.
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Biologists hypothesize that transposons eventually lose the ability to replicate and therefore remain embedded in DNA without moving around. Suggest a possible reason for this loss.
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- Elaborately explain how DNA lagging strand synthesis takes placeBiologists hypothesize that transposons eventually lose the ability to replicate and therefore remain embedded in DNA without moving around. Based on what you have learned in this chapter, suggest a possible reason for this loss.Explain how a mutagen can interfere with DNA replication to cause a mutation. Give two examples.
- Which process does NOT use a specific nucleotide sequence for activity? please explain the answer a.replication initiation b.DNA helicase unwinding c.transcriptional termination d.translational terminationChoose the combination of answers that most accurately completes the statement. Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierChoose the combination of answers that most accurately completes the statement.Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easier
- Some antibiotic drugs fight infection by interfering with DNA replication, transcription, or translation in bacteria. Indicate whether each of the following antibiotic drug effects is on replication, transcription, or translation. HINT Each answer (replication, transcription, and translation) is used only once for the following: a. Rifampin binds to bacterial RNA polymerase. b. Streptomycin binds bacterial ribosomes, disabling them. c. Quinolone blocks an enzyme that prevents bacterial DNA from unwinding.Make a list of the key distinctions between DNA and RNA. Explain if information from proteins is transmitted to DNA using the idea of "central dogma." Explain your answer whether it's yes or no.To promote genetic diversity in bacteria, it has been found that some species have a genetic mechanism that allows them to increase their mutation rate during DNA replication. A scientist hypothesizes that the functions of the following two enzymes would be impacted by this mechanism. In each case, state if you agree and provide a reason for your answer. i) DNA primase ii) DNA polymerase III
- Name the process by which information from DNA is copied into a new strand of DNAGive only typing answer with explanation and conclusion Semi-discontinuous DNA replication, in the intact chromosomes of rapidly-growing bacterial cells, was first demonstrated by which of the following investigators? A. Rosalind Franklin and Maurice Wilkins B. Matthew Meselson and Franklin Stahl C. Erwin Chargaff and Arthur Kornberg D. Reiji Okazaki and Tuneko Okazaki E. James Watson and Francis Crickthe human immunodeficiency virus HIV uses RNA rather than DNA to encode genetic information. During infection, however, HIV uses an enzyme known as reverse transcriptase to generate double-stranded DNA. Generally speaking, how would the enzyme generate a double strand of DNA from a single strand of RNA?