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42 Cards in this Set
- Front
- Back
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What is the basic difference in structure between a purine and pyrimidine?
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Purine has a hexagonal structure with a pentagonal structure attached (4 Nitrogen).
Pyrimidine has a heaxagonal structure with 2 Nitrogen. |
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What are the purine bases?
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Adenine, Guanine
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What are the Pyrimidine bases?
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Thymine, Cytsosine, Uracil
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Which bases are present in DNA?
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Adenine, Thymine, Cystosine, Guanine
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Which base of DNA is replaced in RNA?
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Uracil replaces Thymine
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DNA is composed of a repeating group of.....?
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Nucleotides
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Each Nucleotide is composed of.....?
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Nucleosides and a phosphate group
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Each Nucleoside is composed of .......?
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A sugar and a nucleic acid base.
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What is the chemical reaction that occurs between the OH group of Carbon 1 & the NG Group of of the nitrogen base?
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Condensation
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What are the 2 sugars which make up RNA and DNA?`
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Deoxyribose and ribose
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What nucleic acid is this?
Is it RNA or DNA? |
Adenosine MonoPhosphate - RNA
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What molecule is this? Is it RNA or DNA?
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Thymidine TripPhosphate - RNA
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What molecule is this?
Is it RNA or DNA? |
Uridine diphosphate - RNA
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What molecule is this?
Is it RNA or DNA? |
Guanosine diphosphate - RNA
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T/F Deoxyribose sugar contains oxygen on Carbon 2`
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False
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T/F Adenosine is found in RNA
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True
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T/F Histones are proteins associated with DNA of eukaryotic cells?
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True
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T/F the 2 strands in DNA are held together by hydrogen bonds?
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True
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T/F Bases in DNA and RNA are attached to Phosphate molecules in the backbone?
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False
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What are the complementary bases to:-Adenine, Cysteine, Guanine, Thymine, Uracil
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A->Thymine, C->Guanine, T->Adenine, G->Cysteine, U->Adenine
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Does DNA Contain Deoxyribose?
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Yes
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Does DNA Contain UMP?
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No
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Is DNA Single Stranded?
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No
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Does DNA contain tminehy?
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Yes
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Does DNA contain dAMP?
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Yes
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Where are codons found?
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On mRNA
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What are the 2 processes involved in the copy of DNA Strand?
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Transciption - Protein synthesis, Replication - Cell division
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What are the 3 components of nucleic acids?
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Nitrogenous Base, Pentose Sugar and a phosphate group
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What is the major role of nucleic acids?
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Storage and expression of genetic information
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How do DNA and RNA differ?
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DNA - Deoxyribose vs. ribose, ACGT vs ACGU, Double helix vs. single, stores genetic info vs facilitate gene expression
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Name the 2 purine bases and 3 pyrimidine bases?
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Purine - Adenine, Guanine
Pyrimidine - Thymine, Uracil, Cysteine |
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How do ribose and deoxyribose differ?
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They are both aldopentoses, but deoxyribose has dehyroxylated at position 2
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GMP is guanosinemonophosphate. What is is made up of?
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Guanine + ribose + phosphate
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In DNA, what are the corresponding bases to ACGT?
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TGCA
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What is a codon?
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A set of 3 nucleotides in mRNA that codes for a particular amino acid.
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What is made when genes are expressed?
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Proteins
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Using the genetic code, what sequence of amino acids will be produced from the following:- AUGUUUCCUCGUAAGUGA
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(Start)Met-Phe-Pro-Arg-Lys-STOP
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Using the genetic code, what sequence of amino acids will be produced from the following:- AUGUUCCCUCGUAAGUGA
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(Start)Met-Phe-Pro-Arg-Lys-STOP
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Using the genetic code, what sequence of amino acids will be produced from the following:- AUGUUGCCUCGUAAGUGA
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(Start)Met-Leu-Pro-Arg-Lys-STOP
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Using the genetic code, what sequence of amino acids will be produced from the following:- AUGAUUUCCUCGUAAGUGA
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(Start)Met-Ile-Ser-Ser-STOP
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Using the genetic code, what sequence of amino acids will be produced from the following:- AUGUUUUCCUCGUAAGUGA
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(Start)Met-Phe-Pro-Ser-Lys-STOP
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What is the sense and antisense of the DNA from which the following mRNA was produced:- AUGUUUCCUCGUAAGUGA
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mRNA - AUG-UUU-CCU-CGU-AAG-UGA, Sense Strand - TAC-AAA-GGA-GCA-TTC-ACT, ATG-TTT-CCT-CGT-AAG-TGA
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