DNA and RNA have very similar primary structures, yet their secondary and tertiary structures are strikingly different. What accounts for this difference? (one or two sentences should suffice)
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- 7. An original strand of DNA has the following sequence of nucleotides: NNNNONNNNNNINN CC AT CTGGA ACACTACTTAA AATAACA nnnnnnOnNnNNnnnnnn UUUDOUUUUUUUUUUUUUUUUUUUU Fill in the corresponding nucleotides for the RNA strand.13. Define the primary structure of DNA/RNA. Compare and contrast to the primary structure of proteins.1. A region of DNA in a particular cell synthesizes a segment of RNA that is 174 bases long and in the form of a large palindrome. The RNA is transported to the cytoplasm and folds into a hairpin loop of double stranded RNA. In the cytoplasm, the hairpin loop is recognized by a double-stranded RNA cutting enzyme (dicer) and is cut into 21 BP lengths. When these 21 BP double stranded segments are combined with protein, they function by: Answer choices destroying specific mRNAs priming the synthesis of DNA sequences adding DNA to the chromosome ends (telomeres) acting as decoys for RNA degrading enzymes thus protecting the mRNAs present splicing the introns out of messenger RNA 2. The following are genotypes of merozygotes of E. coli with various combinations of lac operon mutations. Determine the phenotype with respect to beta-galactosidase (z), permease (y), and trans-acetylase (a) of each combination as U = uninducible, I = inducible, and C = constitutive. Choose from…
- 32. What is the difference between RNA and DNA? Group of answer choices DNA has uracil. Both share information. RNA has thymine. RNA does not store genetic information. Both have nucleotides.4. If your nucleotide sequence is - Is this sequence DNA or RNA? Explain how you know. What would the sequence of the complementary strand be? 5'- ATGTCCTAGAG - 3'1. The ribosome is a good representation of what level of structure of nucleic acid? 2. What is the meaning of dADP?
- 8. Now that you have mature mRNA and it has exited the nucleus and entered the cytosol, it is time to transcribe the mRNA. You may use the abbreviations for the amino acids found in page 154 of your textbook C C G A T C C A DNA C T A C MRNA Peptide chain TI1. What are the types and major functions for each type of RNA? 2. Define transcription and translation. Which process occurs first to make protein from DNA? 3. In what direction does a polymerase move when synthesizing a strand of mRNA?3. A life-form from another universe is found to have nucleic acid which includes six different bases - R, S, T, X, Y and Z. The percentage composition of R, S and T is always the same, and the percentage composition of X, Y and Z is always the same. Propose a reasonable hypothesis regarding the structure of the nucleic acid. 4. Describe how mRNA is formed and how it is modified before being released from the nucleus of the cell.
- 1. Determine what amino acid will be formed from the given DNA strand below: 3’ T A C A T G C C G A A T G C C 5’ 2. how will replication happen by mentioning the enzyme needed then transcribe to form mRNA. 3. Discuss what will happen to mRNA, then translate, mentioning the anticodon to be used 4. Look at the genetic code to know what amino acid will become part of the polypeptide chain.1. Fatty acids are a component of fats but have a distinct chemical difference apart from fats that would allow them to travel fairly freely in the aqueous environment of the bloodstream. They don’t, however, and are transported with serum albumin. What about the chemistry of fatty acids makes it so that it might not be good to have a lot of them traveling freely in the bloodstream? 2. Given the complicated steps necessary to convert DNA to RNA to protein and the fact that RNAs can catalyze reactions, speculate on why cells ever evolved proteins at all. Why not simply use catalytic RNAs?1. Research on how are hydrogen bonds involved in the transfer of genetic information? CITE YOUR REFERENCES