What does RNAi do? O a. O b. O C. It binds to DNA double helix and cleaves DNA. It inhibits transcription. It degrades proteins. O d. It inhibits DNA replication. O e. It binds to mRNA and cleaves mRNA.
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- RNA differs from DNA because: a. RNA may contain the pyrimidine uracil, and DNA does not. b. RNA is always single-stranded when functioning, and DNA isalways double-stranded. c. the pentose sugar in RNA has one less O atom than thepentose sugar in DNA. d. RNA is more stable and is broken down by enzymes lesseasily than DNA. e. RNA is a much larger molecule than DNA.Are mutations harmful?a. Yes, because the DNA is damaged.b. No, because changes in the DNA result in better alleles.c. Yes, because mutated proteins don’t function.d. It depends on how the mutation affects the protein’s function.Write down the major differences between DNA and RNA.keeping in mind the concept of " central dogma" explain whether the information from protien is transfered to DNA? If yes/ No.explain
- . Given the following DNA strand:TACAGTGATAACCAGATTA. Write the corresponding strand that would form the other half of the DNA molecule.B. Transcribe the original DNA strand (= TACAGTGATAACCAGATT) and write the sequence of bases found in the resulting messenger RNA molecule.C. Translate your messenger RNA molecule and write the sequence of amino acids in the resulting proteinPart A) In your own words describe what happens in transcription and translation Include which types of nucleic acids are involved in each step Describe the function of each type of nucleic acid in the process of making proteins Part B) Also, explain how two nucleic acids "recognize" or "talk" to each otherIllustrate the process of transcription by providing the correct bases for mRNA strand given the DNA template strand. (Remember that mRNA has uracil instead of thymine.) Template Strand: CGATACAAA
- A gene affecting the behavioral outlook of individuals was discovered in several humans who can overcome anxiety caused by life's problems. Part of the gene that į translated into protein has a sequence 3'-GGATCCCGAATGTAATGCGTGCTC AATGGTAGTACGGC-5'. 1. What is the complementary strand of the DNA? 2. What is the sequence of the MRNA product after translation? 3. What is the sequence of the peptide encoded by the portion of the gene? (Use one letter symbol of amino acids)What is the genetic code? a. The relationship between a three-base codon sequence and an amino acid or the end of translation b. The entire base sequence of an mRNA molecule c. The entire sequence from the promoter to the terminator of a gene d. The binding of tRNA to mRNAthink about this: if you know the amino acid sequence of a protein can you predict with 100% certainty the DNA sequence of the gene that codes for it? Would knowing the amino acid sequence help you identify the gene?
- Can you explain the 3 types of RNA and their functions and also explain transcription and translation in a simple way.Researchers are designing and testing antisense drugs as therapies for a variety of diseases, inclusing cancer, AIDS, diabeates, and muscular dystrophy. The drugs are also being tested to fight infection by deadly viruses such as Ebola. Antisense drugs consist of short RNA strands coplementary in sequence to mRNAs that form during the progression of a disease. How do you think these drugs work?What is translation? Synthesizing a protein from a strand of mRNA Coping a new strand of DNA from an existing strand synthesizing a protein from a strand of DNA Copying a strand of RNA from a strand of DNA