Purine or pyrimidine - Study guides, Class notes & Summaries

1. Which statement regarding the sodium-potassium pump is correct? 1. The cell’s plasma membrane is more soluble to sodium ions than potassium ions. 2. The concentration of sodium ions should be higher inside the cell compartment. 3. The concentration of potassium ions should be higher outside the cell compartment. 4. The active transport involves pumping out three sodium ions and pumping in two potassium ions. 2. What is the process in which glucose is used to create energy? 1. Autol...

HESI A2 Biology v2 Questions and Answers Latest 2023 1. A patient receives an antibiotic for symptoms of the flu. Why doesn’t the medication work? a. The medication is for a different type of flu. b. The medication is not suitable for treating the flu. c. The medication is not a strong enough dosage amount to cure the patient. d. None of the above The correct answer is B. Antibiotics are used for treating bacterial infections, but the flu is caused by a virus. Although symptoms can be si...

ASCP Molecular Biology Certification Detailed Exam With Questions and Answers Well Answered A+ Graded 100% Excellence. Do you have to know the gene sequence in order to do DNA sequencing? - CORRECT ANSWER-Yes, in order to design primers You do NOT need to know the mutation Pyrimidine - CORRECT ANSWER-One carbon ring Cytosine, Thymine, Uracil Purine - CORRECT ANSWER-Two carbon rings Adenine, Guanine How are nucleotides joined together? - CORRECT ANSWER-Condensation to form phosphodie...

A nucleotide consists of___________? - ️️A phosphate group, a nitrogen base, and a 5-carbon sugar. Polymerization requires energy from what? - ️️Active nucleotides or nucleotide triphosphates such as (aTP, tTP, cTP, gTP, uTP) Deoxyribose has a H at the 2' and is in - ️️DNA Ribose has a OH at the 2' and is in - ️️RNA Cytosine is a - ️️Pyrimidine Uracil only exists in RNA and is a - ️️Pyrimidine Thymine only exists in DNA and is a - ️️Pyrimidine Pyrimidin...

Chapter 1: DNA Structure and Function Multiple Choice Identify the choice that best completes the statement or answers the question. A. 1. In which body or cell area are most genes in humans located? A. Nucleus B. Mitochondrion C. Cytoplasm D. Plasma membrane A. 2. Which condition or statement exemplifies the concept of genomics rather than genetics? A. The gene for insulin is located on chromosome 11 in all people. B. Expression of any single gene is dependent on inheriting two allele...

Bio 107 Exam Prep 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED What does a nucleotide structure have? Nitrogenous base Sugar Phosphate group What do nucleotides form when they are chemically connected together? DNA strand What are the two nitrogenous bases? Pyrimidine and Purine What is included in the pyrimidine group? Cytosine (C) Thymine (T) Uracil (U) What is included in the purine group? Adenine (A) Guanine (G) Which of the following is only included in the D...

Which strand is produced more rapidly? - ANSWER-Leading strand During DNA replication in the lagging strand there is production of this component? - ANSWER-Okazaki fragment How many "stop" codons exist? - ANSWER-3 The double helix of DNA is wrapped about 1¾ times around which of these components? - ANSWER-Nucleosome Which enzyme unwraps the double helix? - ANSWER-Helicase In the ribosome, what is the name of the bond that links one amino acid to the next? - ANSWER-peptide bonds...

PATHO Test 2 - UTMB EXAM WITH COMPLETE SOLUTIONS Primary Function of Respiratory system - gas exchange with oxygen from the air being tranferred to the blood and carbon dioxide genome all of the genetic info in an organisms DNA Chromosomes Where the basic genetic info is stored. 23 pairs or 46 chromosomes. Female = XX Male = XY DNA Molecule - double stranded helix - stored within nucleus - stores genetic information Nitrogenous bases Pyrimidine bases - Thymine -...

PATHO Test 2 - UTMB EXAM WITH COMPLETE SOLUTIONS Primary Function of Respiratory system - gas exchange with oxygen from the air being tranferred to the blood and carbon dioxide genome all of the genetic info in an organisms DNA Chromosomes Where the basic genetic info is stored. 23 pairs or 46 chromosomes. Female = XX Male = XY DNA Molecule - double stranded helix - stored within nucleus - stores genetic information Nitrogenous bases Pyrimidine bases - Thymine -...

1 ---------- Exam Section 1: Item 2 of 50 National, Board of Medical Examiners Comprehensive Basic Science Self-Assessment 2. Free purine and pyrimidine bases are reutilized in normal metabolism. In children with Lesch-Nyhan syndrome who have intellectual disability, poor muscle coordination, and selfmutilation tendencies, there is a defect in the salvage of which of the following pairs of bases? A) Adenine and thymine B) Guanine and hypoxanthine C) Guanine and uric acid D) Uracil a...

USLME Biochem - First Aid Exam Questions With Accurate Answers. Chromatin structure - answerDNA exists in condensed chromatin form in order to fit in nucleus Negatively charged DNA loops twice around positively charged histone octamer (2 sets of H2A, H2B, H3 and H4) to form nucleosome "bead" Octomer subunits consist primarily of lysine and arginine amino acids (positively charged). H1 ties nucleosome beads together in a string Heterochromatin - answerCondensed, transciptionally inactiv...

USMLE Step 1 First Aid - Biochemistry 2024 Study Guide(100% Verified) Side = base + (deoxy)ribose [sugar] Tide = base + (deoxy)ribose [sugar] *Which are the purines?* "pure as gold" = Adenosine, Guanosine *Which are the pyrimidines?* "CUT the pyramid" = Cytosine, Uracil, Thymine - answerWhat is a nucleoside? What is a nucleotide? Which are the purines? Which are the pyrimidines? *Disrupt pyrimidine synthesis* *Leflunomide: *inhibits dihydroorate dehydrogenase *Methotrexatem Tri...