3. Below is the structure of a nucleotide triphosphate.ATP R-O-R-OR-O-OIPO P-OOOPADPOIPIOb.a. Label each phosphate group as a, ß, or y in boxes provided below each phosphate group.Put an "X" under all products you would expect from nucleophilic attack at the y phosphate groupby a generic alcohol (R-OH).fofoOHR-OO.HAdenosine R-OOHfofOO=POOHR-O-AdenosineHOHOIPIONH₂O-AMP AMPNO=0O-Adenosine

Nucleotides are organic molecules that form the basic building blocks of nucleic acids (DNA and…

3. Below is the structure of a nucleotide triphosphate. of of of O ATP R-O- R-O O R-O O O O O +|| O a. Label each phosphate group as a, ß, or y in boxes provided below each phosphate group. b. Put an "X" under all products you would expect from nucleophilic attack at the y phosphate group by a generic alcohol (R-OH). O R-O O O P H O ADP Adenosine R-O H OH ·0 O d O_ R-O-Adenosine H O OH H O a NH₂ O AMP AMP O N O-Adenosine O

3. Below is the structure of a nucleotide triphosphate. of of of O ATP R-O- R-O O R-O O O O O +|| O a. Label each phosphate group as a, ß, or y in boxes provided below each phosphate group. b. Put an "X" under all products you would expect from nucleophilic attack at the y phosphate group by a generic alcohol (R-OH). O R-O O O P H O ADP Adenosine R-O H OH ·0 O d O_ R-O-Adenosine H O OH H O a NH₂ O AMP AMP O N O-Adenosine O

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter14: Dna Structure And Replication

Section: Chapter Questions

Problem 3TYK: Pyrimidines built from a single carbon ring are: a. cytosine and thymine. b. adenine, cytosine, and...

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Which is not a nucleotide base in DNA? a. adenine b. guanine c. glutamine d. thymine e. cytosine f. All are in DNA.
An example of a monosaccharide is fructose glucose galactose all of the above
The best definition of an endonuclease is that it hydrolyzes A. nucleotide from only the 3' -end of an oligonucleotide . B. nucleotide from either terminal of an oligonucleotide. C. phosphodiester bond located in the interior of a polynucleotide . D. bond only in a specific sequence of nucleotides. E. bond that is distal co the base chat occupies the 5' position of the bond
1. What is the name of the nucleobase in the nucleotide structure? a. guanineb. adeninec. thymined. uracil 2. Is the nucleobase a purine or a pyrimidine?
1. IN WHICH OF THE FOLLOWING PAIRS OF NUCLEOTIDE BASES ARE BOTH MEMBERS OF THE PAIR "SINGLE RING" BASES? A. G & TB. A & GC. A & CD. T & U 2. WHICH OF THE FOLLOWING NITROGENOUS BASES CAN ONLY BE FOUND IN AN RNA MOLECULE?A. URACILB. ADENINEC. CYTOSINED. GUANINE 3. WHICH OF THE FOLLOWING NITROGEN BASES CAN ONLY BE FOUND IN AN DNA MOLECULE?A. ADENINEB. URACILC. GUANINED. THYMINE 4. WHICH OF THE FOLLOWING IS/ARE INVOLVED IN THE FORMATION OF NUCLEOTIDES?A. PENTOSE SUGAR ONLYB. NUCLEOSIDE AND PO4C. PENTOSE & N2D. PO4 & SUGAR 5. THE DOUBLE HELIX OF DNA IS STABILIZED MAINLY BY?A. IONIC BONDSB. HYDROGEN BONDSC. COVALENT BONDSD. ION-DIPOLE BONDS
The phosphodiester bonds that link adjacent nucleotides in both RNA and DNA: a. always link A with T and G with C. b. are susceptible to alkaline hydrolysis. c. are uncharged at neutral pH. d. form between the planar rings of adjacent bases. e. join the 3' hydroxyl of one nucleoside to the 5' hydroxyl of the next.
2. A mixture of the following amino acids (glu, leu, val, arg, ser, phe) was obtained upon complete hydrolysis of a hexapeptide. a. Edman’s reagent releases leucine b. Hexapeptide with carboxypeptidase releases serine. c. Hexapeptide with trypsin forms a tripeptide A with leucine at the N terminal and tripeptide B with valine at the N terminal. d. Tripeptide A with carboxypeptidase releases arginine and a dipeptide with glutamic acid at C terminal. e. Tripeptide B with chymotrypsin form releases serine and another dipeptide. Give: 1. the amino acid sequence of tripeptide A and B. 2. the amino acid sequence in the above hexapeptide.
a. Why is it important to eat food containing antioxidants? Write at leasttwo reactions to prove the answer. b. Write in four ways the following nucleotide sequence: ATGCA. c. Explain i. Hoogsteen pairing & ii. Hyperchromic effectiii. Epimers Iv. Mutarotaton v. Aldose vi. Anomers vii. Mutarotation
6. THE FOLLOWING ARE DESCRIPTION OF NUCLEIC ACIDS. EXCEPT?A. MADE UP ALSO OF A NUCLEOSIDEB. COMPOSED OF CHAINS OF NUCLEOTIDESC. VERY LARGE, COMPLEX MOLECULESD. POLYMERS OF NON-REPEATING UNITS OF NUCLEOTIDES 7. ALL OF THE FOLLOWING ARE TRUE ABOUT DNA, EXCEPT?A. CONTAINS THE NITROGENOUS BASE URACILB. WITH ALPHA-HELICAL STRUCTUREC. INVOLVED IN PROTEIN SYNTHESISD. GENETIC CARRIER 8. WHICH OF THE FOLLOWING IS/ARE RESPONSIBLE FOR PROTEIN SYNTHESIS?A. T-RNAB. ALL OF THEMC. R-RNAD. M-RNA 9. WHICH OF THE FOLLOWING CAN AFFECT THE DNA STRUCTURE?A. ALL OF THEMB. UVC. BASE ANALOGUESD. IONIZING RADIATION 10. ALL OF THE FOLLOWING ARE PROTEIN ENZYMES, EXCEPT?A. PEPSINB. CHYMOTRYPSINC. PTYALIND. TRYPSIN
#2 under Identify the Structures is what... A. phosphate groups B. deoxyribose sugars C. nitrogen bases D. covalent bonds
1. What is the IUPAC name of cytosine?A. 2,4-dioxypyrimidineB. 2-amino-6-oxypurineC. 4-amino-2-oxypyrimidineD. 5-methyl-2,4-dioxypyrimidine2. The types of intramolecular bonds in nucleic acid include the following EXCEPT:A. Hydrogen BondB. Electrostatic interactionC. Phosphodiester bondD. Glycosidic bond3. What intermolecular bond has the greatest influence on the coiling of DNA to the histone complex?A. Electrostatic interactionB. Covalent bondC. Van der Waals interactionD. Phosphodiester bond4. The following rules on aromaticity promotes a planar structure of nitrogenous bases EXCEPT:A. All atoms in the ring are sp2 hybridized.B. Pi bonds show conjugation.C. The structure is cyclic.D. The number of electrons satisfies Huckel’s Rule.5. Which parts of Adenine are involved in the formation of hydrogen bonds with its complementary base pair?A. Atoms 1 and 6B. Atoms 9 and 6C. Atoms 3 and 4D. Atoms 2 and 4
1. What is the isoelectric point (pI) of lysine which has pKa values of 2.1 for the α carboxyl group, 9.7 for the α amino group and 10.5 for the side chain amino group? 2. Which of the following is most likely to be found on the exterior of a protein? A) Pro B) Trp C) Ser D) Glu 3. The type of reaction that forms a peptide bond is A) Elimination B) Hydrolysis C) Nucleophilic substitution D) Condensation