Question 30 The 3’ end of a DNA molecule has a phosphate group hanging off. True False   Question 17 The atomic number is indicative of _______________________.   a The number of protons in an atom   b The number of neutrons in an atom   c The number of protons plus the number of neutrons   d The number of protons plus the number of electrons

Q: QUESTION 3 Strands of DNA join together with Hydrogen bonds. These bonds form between the…

A: In  double stranded DNA the two strands of DNA are twisted around one another in the form of a…

Q: Four of the five answers listed below are bases used to construct nucleic acids. Select the…

A: DNA is the genetic material in all the living organisms.

Q: Question 1. The nitrogenous base content of a sample of DNA was found to be 34% adenine. Determine…

A:

Q: The amino (functional) group is made of nitrogen and hydrogen. True False

A: The term functional group is associated the countless atom combinations that make up chemical…

Q: QUESTION 13 The corresponding strands of DNA are said to be? O a. Complimentary O b. Oppositely…

A: Watson and crick's model of DNA structure is the most widely accepted model. DNA is the long polymer…

Q: Question 4 The RNA molecules are said to be less stable than DNA molecules because aside from the…

A: Sol: There are two types of nucleic acid molecules  1. DNA (Deoxyribonucleic acid) and 2. RNA…

Q: QUESTION 19 Which of the following is not found in DNA? O a. Adenine O b. Uracil O c. Guanine O d.…

A: Introduction:- The hereditary substance in humans and almost all other animals is DNA, or…

Q: The two strands of DNA are O antiparallel. O parallel. O even. O share the same ends.

A: DNA is made up of two strands and both strands are anti parallel to each other.

Q: Questión 13 Which of the following DNA parts actually refers to a six -membered heterocyclic ring? A…

A: DNA and RNA are macromolecules that make up nucleic acid. DNA (Deoxyribonucleic acid) is a genetic…

Q: The 2 chains composing one double helix run in opposite directions; they are antiparallel (one is…

A: Nucleic acid is a biological macromolecules which is present inside the nucleus of the cell.  It…

Q: The small circular pieces of DNA that can be transferred into bacteria are called

A: DNA is the hereditary material present in human beings and most other organisms. It is a molecule…

Q: A bacterial cell divides in the presence 32p, which is a radioactive isotope of phosphorous. This…

A: In conservative DNA replication both the strands of DNA of the parent cell become part of one of the…

Q: QUESTION 52 Which of the following researcher(s) was the first to Isolate nucieic acids (nuclein)…

A: DNA is the genetic material of almost all living organisms. It contains the information that is…

Q: A sample of double-stranded DNA contains 20% adenine. Approximately what percent of the nucleotides…

A: DNA and RNA are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid whereas…

Q: QUESTION 18 Based on Chargaff's rules, which of the following are possible base compositions for…

A: According to Chargaff's rule amount purine and pyrimidine should be equal. Also that the amount of…

Q: Question 39 A double helix makes one complete turn every 10 residues (3.4nm). Therefore the distance…

A: DNA is a genetic material, composed of deoxyribose sugar, phosphate group, and nitrogenous bases.…

Q: DNA contains phosphorus whereas protein does not. Protein contains sulfur whereas DNA does not.…

A: Answer. Alfred Hershey and Martha Chase   Alfred Hershey and Martha Chase in the years 1951 and…

Q: There are leading strand and lagging strands in DNA replication. O True O False

A: DNA is a two stranded ladder like structure which act as template for formation of its own strand as…

Q: QUESTION 31 Match the type of bond with the role below: phosphodiester a. joins adjacent nucleotides…

A: Biomolecules are organic molecules made up of mainly carbon and hydrogen but there are other…

Q: Question 3 он он но- OH он о но. OH LOH но- но- OH OH Он This is a reducing tetrasaccharide and is…

A:

Q: QUESTION 1 The relative amounts of each nucleotide base are tabulated below for four different…

A: Virus I:Single-stranded DNAVirus II:Single-stranded RNAVirus III:Double-stranded RNAVirus…

Q: DNA molecules and the closely related RNA molecules are both made of O A. nucleotides O B. amino…

A: Nucleic acid is a long chainlike molecule composed of nucleotides found in cells of all living…

Q: In the accompanying figure, the atomic number refers to the:

A: The given is C (carbon) The atomic number is 6 The mass number is 12

Q: Question 4 Which base is not in DNA? OU O A OT O G O C

A: Deoxyribonucleic acid (DNA) is a molecule made up of two polynucleotide chains that wrap around one…

Q: Which statement best explains why alcohols have a higher boiling point than Alcohols have weaker…

A: Alcohols are polar molecules and alkanes are non-polar molecules. Alcohols and alkanes both are…

Q: The nitrogeneous bases adenine and thymine are: A both purines B. both pyrimidines Ca purine and a…

A: A nucleotide is an organic molecule that is the building block of DNA and RNA.A nucleotide is made…

Q: QUESTION 3 Frederick Griffith observed DNA contains nitrogen and phosphorus Proteases disrupt…

A: Griffith in his experiment observed that  non virulent rough strain when mixed with heat killed…

Q: Question 16 (1 point) Match the description with DNA or RNA. DO Most often found as a double helix…

A: The objective of the question is to match the given descriptions with either DNA or RNA, which are…

Q: QUESTION 23 structure. The complete denaturation of a protein that is made of only a single…

A: Denaturation is a process in which proteins lose their native conformation i.e. normal, biologically…

Q: In deoxyribonucleotides (DNA) there is at the 2' carbon of the sugar. H. OH PO4 none of the above

A: DNA is the genetic material in most of the orgaisms . it is a polymer made of several nucleotide…

Q: The proteins and other substances that bind to the DNA rely mostly on non-covalent interaction to…

A: This statement is true. The proteins binds to DNA are of two types the histone and the non histone…

Q: QUESTION 8 What are proteins made of? O A. nucleotides O B. DNA OC. polymerase D. amino acids

A: Proteins are the macromolecules that are the building blocks of the body. Based on their structure…

Q: The bacterial repair system that corrects mismatched bases after polymerization is able to…

A: DNA stands for deoxyribonucleic acid. It is the genetic material of the organisms that transfer from…

Q: Question 2. Bacteria are grown in a medium containing 15NH₂Cl for a number of generations so that…

A: The give case in the question belongs to experiment conducted by Meselson and Stahl who demonstrated…

Q: QUESTION 3 In DNA, one strand of nucleotides is held together with bonds while the two strands are…

A: DNA is a double helical structure which is held together by two types of bonds: covalent and…

Q: Four of these are related. Select the exception. adenine guanine O cytosine O uracile O thymine

A: Molecular genetics is the branch of science which deals with the study of genes and gene regulation…

Q: Question 12 of 13 DNA A-5 GGG GCT AGC CCC 3 ONA B-3 ATA TAT ATA TCC S ONA C-5 TAC GTT ACG TCG 3 DNA…

A: DNA is a double stranded molecule with Adenine Guanine Cytosine and Thymine as nitrogen bases bonded…