Which of the following statements regarding the structure of DNA inside cells is NOT correct?   A. In a DNA duplex, the two strands of DNA contain reverse complementary base pairs.   B. The double helix is held together by phosphate bonds between the purines and pyrimidines.   C. In a DNA duplex, A pairs with T and G pairs with C.   D. The DNA is a double helix that contains a major groove and a minor groove.   E. The double helix is held together by two sugar-phosphate backbones on the outside of the double helix with paired purine and pyrimidine

Q: A circular DNA of 40 kb (40,000 bases) length is cut with a restriction enzyme whose precise…

A: The probability of a restriction enzyme to be found in a DNA is 4n, where n is the number of bases…

Q: A fundamental requirement for the functioning of genetic material is that it must be A. replicated…

A: Genetic material is the information present in all organisms that helps their cells to have…

Q: QUESTION 2 (select all that apply) Mutations can cause: A. an increase in offspring B. The final…

A: Mutation It is defined as the change in the sequence of DNA. It is resulted from the DNA copying…

Q: QUESTION 18 Which of the following statements about termination mechanisms for nucleic acid…

A: Transcription termination is the process where a nascent RNA is released from its complex with RNA…

Q: Question 1. Why is DNA replication called semiconservative?

A: DNA replication is the process in which dsDNA is copied to produce two identical DNA molecules.

Q: Which of the following is NOT a correct pairing of the RNA type and its job O A. TRNA - in…

A: Introduction:- RNA (ribonucleic acid), complex compound of high molecular weight that functions in…

Q: Question 1 What gives the DNA molecule a negative charge? (A deoxyribose (B) ribose c phosphate…

A: DNA or deoxyribonucleic acid is genetic material in living organisms that are responsible for…

Q: Some point mutations cause a change in amino acid sequence but nonetheless may have little to no…

A: option f is correct . This is  because each group of amino acid belong to same category means . If…

Q: Question 9: If the unmutated sequence in this scenario continued, AND contained multiple repeats of…

A: To determine the likelihood of the protein being found in the cytoplasm or associated with the lipid…

Q: What were the characteristics of Watson and Cricks first model? O The bases were facing th

A: Watson and Crick were the discoverer of DNA double helix model. However, their initial model were…

Q: What type of bond holds nucleotides together in a strand? O A. ionic O B. covalent O C. hydrogen O…

A: The nucleic acids are composed of organic molecules, called nucleotides. A nucleotide comprises a…

Q: Imagine you have a mixture of 2 proteins. Protein A is 3x the mass of protein B. Both have net…

A: The Gel electrophoresis works on the migration property of charged species within an electric field,…

Q: QUESTION 2 Which of the following statements about nucleic acid synthesizing enzymes (polymerases)…

A: A DNA polymerase is a member of a family of enzymes that catalyze the synthesis of DNA molecules…

Q: QUESTION 3 Is it possible to dissolve DNA in water? a. Only during cell division O b. No, DNA is…

A: Genomic DNA is the set of DNA which comprises of the genome of an organism. The genome is the…

Q: What would be the effect on the gene product of a particular gene that had two separate mutations in…

A: Gene mutations are of various types such as  Deletion  Insertion  Missense  Non sense  Silent…

Q: QUESTION 20 Which of the following polymerases is found in the nucleolus? O A. DNA polymerase III O…

A: Polymerase enzyme is responsible for the process of polymerizing the monomers into polymers.

Q: QUESTION 22 Ribosomal RNA: O a. none of the above O b. acts only as a structural scaffold O C.…

A: The cell exhibits genetic material in the form of DNA as well as RNA.

Q: If the 3 proteins in the blue sample had MW's of [1] 87,000 Daltons, [2] 30,000 Daltons, [3] 15,000…

A: Gel electrophoresis is a technique used in molecular biology to separate biomolecules such as DNA,…

Q: tretch of DNA that is comprised of 500 nucleotides is a Gene

A: The DNA( Deoxyribonucleic acid) is made up of repeating units of the nucleotides, hence these are…

Q: Produce the complimentary DNA strand that would be matched with the provided strand T--A C--G C --G…

A: A complementary strand of DNA is constructed based on base complementarity.  Complementarity is…

Q: What is the most stable nitrogenous base pairing?

A: Base can be purines (adenine and guanine) two ring structure and pyrimidines (cytosine and thymine).…

Q: A linear piece of DNA is cut as follows: cut with Ecorl - get 1kb and 4 kb band Cut with Bamhl - get…

A: Ans- According to question For linear DNA – Upon Cutting by for Eco R1 it formed – 1kb and 4kb   =…

Q: QUESTION 5 If DNA had 5 different bases, a restriction enzyme with a 3-base recognition sequence…

A:

Q: QUESTION 3 Is it possible to dissolve DNA in water? a. Only during cell division b. No, DNA is…

A: A solution is a combination of two compounds or more. The solute is the soluble material, and the…

Q: Question 7. You are studying two strands of DNA. They have exactly the same length, but the first…

A: The melting temperature highly depends on the G+C ratio in a strand. More the ratio of G+C high will…

Q: QUESTION 5 In the Sanger method of DNA sequencing, if a dideoxynucleotide is attached, a…

A: Introduction:- The process of determining the sequence of nucleotides (As, Ts, Cs, and Gs) in a…

Q: Question 7: At third codon positions, approximately what proportion of muations are synonymous? A.…

A: Any change in the DNA sequence results in mutation. Synonymous mutation does not change the amino…

Q: QUESTION 2: What is the charge of a DNA molecule? Which aspect of its structure is responsible for…

A: Deoxyribonucleic acid, also known as DNA, is a molecule that contains the genetic blueprints…