AP® BIOLOGY 2007 SCORING GUIDELINES (Form B)
... 2007 SCORING GUIDELINES (Form B) Question 3 A molecule of messenger RNA (mRNA) has just been synthesized in the nucleus of a human cell. (a) What type of modifications may occur to this RNA before it leaves the nucleus? One point for each of the following explanations/identifications (3 points maxim ...
... 2007 SCORING GUIDELINES (Form B) Question 3 A molecule of messenger RNA (mRNA) has just been synthesized in the nucleus of a human cell. (a) What type of modifications may occur to this RNA before it leaves the nucleus? One point for each of the following explanations/identifications (3 points maxim ...
File
... _____________________________from binding, therefore not allowing ______________________________ to occur o ...
... _____________________________from binding, therefore not allowing ______________________________ to occur o ...
ACADEMIC BIOLOGY MIDTERM REVIEW GUIDE
... 19. List the four nitrogen bases in DNA 20. Why is mRNA necessary? 21. How are mRNA and DNA similar structurally? Different? 22. What is each set of 3 nitrogen bases on mRNA called? 23. Which nitrogen base is never found in RNA? 24. What is the process called where RNA is made from DNA’s instruction ...
... 19. List the four nitrogen bases in DNA 20. Why is mRNA necessary? 21. How are mRNA and DNA similar structurally? Different? 22. What is each set of 3 nitrogen bases on mRNA called? 23. Which nitrogen base is never found in RNA? 24. What is the process called where RNA is made from DNA’s instruction ...
Protein Synthesis in a Eukaryotic Cell.
... Secondary structure – the structure of a protein (alpha helix and beta sheets) that results from hydrogen bonding Tertiary structure – the structure of a protein that results from several interactions, the presence of charged or uncharged “R” groups, and hydrogen bonding Quaternary structure – the s ...
... Secondary structure – the structure of a protein (alpha helix and beta sheets) that results from hydrogen bonding Tertiary structure – the structure of a protein that results from several interactions, the presence of charged or uncharged “R” groups, and hydrogen bonding Quaternary structure – the s ...
The ATM repair pathway inhibits RNA polymerase I transcription in
... points between DNA and making the final proteins. •Changes in the various steps of gene expression control when and how much of a product are ...
... points between DNA and making the final proteins. •Changes in the various steps of gene expression control when and how much of a product are ...
DNA
... DNA Replication • The bonds between the base pairs are weak hydrogen bonds and can be broken easily. This means that the molecule can unwind and unzip itself. • Each side of the DNA molecule has all the information necessary to make a complementary (second) side. • Each piece of “old” DNA will act ...
... DNA Replication • The bonds between the base pairs are weak hydrogen bonds and can be broken easily. This means that the molecule can unwind and unzip itself. • Each side of the DNA molecule has all the information necessary to make a complementary (second) side. • Each piece of “old” DNA will act ...
Molecular Cell Biology
... Three Different Classes of RNA 1) rRNA (ribosomal) • large (long) RNA molecules • structural and functional components of ribosomes • highly abundant 2) mRNA (messenger) • typically small (short) • encode proteins • multiple types, not abundant 3) tRNA (transfer) and small ribosomal RNAs • very smal ...
... Three Different Classes of RNA 1) rRNA (ribosomal) • large (long) RNA molecules • structural and functional components of ribosomes • highly abundant 2) mRNA (messenger) • typically small (short) • encode proteins • multiple types, not abundant 3) tRNA (transfer) and small ribosomal RNAs • very smal ...
Slides - gserianne.com
... Genetic information – instructs cells how to construct proteins; stored in DNA Gene – segment of DNA that codes for a protein or RNA - About 30,000 protein-encoding genes in humans - DNA’s instructions are ultimately responsible for the ability of the cell to make ALL its components Genome – complet ...
... Genetic information – instructs cells how to construct proteins; stored in DNA Gene – segment of DNA that codes for a protein or RNA - About 30,000 protein-encoding genes in humans - DNA’s instructions are ultimately responsible for the ability of the cell to make ALL its components Genome – complet ...
Exam 2 practice questions organized by lecture topic
... B. ribose sugar C. purines A and G and pyrimidines T and C D. purines A and G and pyrimidines U and C E. A and C are correct 39. Watson and Crick received the Nobel Prize for: A. generating x-ray crystallographic data of DNA structure B. establishing that DNA replication is semiconservative C. solvi ...
... B. ribose sugar C. purines A and G and pyrimidines T and C D. purines A and G and pyrimidines U and C E. A and C are correct 39. Watson and Crick received the Nobel Prize for: A. generating x-ray crystallographic data of DNA structure B. establishing that DNA replication is semiconservative C. solvi ...
11. Origin and evolution of life (part I)
... the British naturalist Alfred Russel Wallace at roughly the same time). Evolution is the process by which organisms descend from other preexisting forms of life through modifications. These modifications are the result of random genetic mutations affecting specific traits (e.g. morphology, physiolog ...
... the British naturalist Alfred Russel Wallace at roughly the same time). Evolution is the process by which organisms descend from other preexisting forms of life through modifications. These modifications are the result of random genetic mutations affecting specific traits (e.g. morphology, physiolog ...
Biology 0200
... A study compared body temperatures of two groups of humans living in the same town, in a very warm climate. One group had lived in this climate for many generations and the other group had recently migrated from a more temperate (moderate) climate. At night, body temperature of both groups dropped t ...
... A study compared body temperatures of two groups of humans living in the same town, in a very warm climate. One group had lived in this climate for many generations and the other group had recently migrated from a more temperate (moderate) climate. At night, body temperature of both groups dropped t ...
Objectives - World of Teaching
... able to regulate itself depending on the environmental conditions it is subjected to. • It codes for 3 genes: Beta-galactosidase, lactose permease and Thiogalactosidase transacetylase. These genes are involved in lactose metabolism. • If lactose is absent, the system is turned off; if lactose is pre ...
... able to regulate itself depending on the environmental conditions it is subjected to. • It codes for 3 genes: Beta-galactosidase, lactose permease and Thiogalactosidase transacetylase. These genes are involved in lactose metabolism. • If lactose is absent, the system is turned off; if lactose is pre ...
Jasmita_presen_nov3
... • Cscore 3 to 5 (a good score is 4-5) Score of 3 – 37 compounds Score of 4 – 43 compounds Score of 5 – 48 compounds ...
... • Cscore 3 to 5 (a good score is 4-5) Score of 3 – 37 compounds Score of 4 – 43 compounds Score of 5 – 48 compounds ...
Ch. 4 Outline
... Describe how the reactions and pathways of glycolysis, the citric acid cycle, and the electron transport chain capture the energy in nutrient molecules. Discuss how glucose is stored, rather than broken down. 4.6: Nucleic Acids and Protein Synthesis Define gene and genome. Describe the struc ...
... Describe how the reactions and pathways of glycolysis, the citric acid cycle, and the electron transport chain capture the energy in nutrient molecules. Discuss how glucose is stored, rather than broken down. 4.6: Nucleic Acids and Protein Synthesis Define gene and genome. Describe the struc ...
3/27
... Affymetrix GeneChip experiment • RNA from different types of brain tumors extracted • Extracted RNA hybridized to GeneChips containing approximately 6,800 human genes • Identified gene expression profiles specific to each type of tumor ...
... Affymetrix GeneChip experiment • RNA from different types of brain tumors extracted • Extracted RNA hybridized to GeneChips containing approximately 6,800 human genes • Identified gene expression profiles specific to each type of tumor ...
The Unseen Genome
... Researchers are also coming to realize that just about anything that can happen in the genome does happen, says Carmen Sapienza of Temple University, who started investigating epigenetic phenomena back when they were dismissed as minor anomalies. "There may even be fundamental mechanisms still to di ...
... Researchers are also coming to realize that just about anything that can happen in the genome does happen, says Carmen Sapienza of Temple University, who started investigating epigenetic phenomena back when they were dismissed as minor anomalies. "There may even be fundamental mechanisms still to di ...
Lecture 2
... 5.4 Catabolite repression A diauxic growth curve results when two sugars are present –e.g. Glucose is used first followed by other sugars such as lactose or xylose. Glucose has been shown to block the expression of a number of operons controlling the catabolism of particular sugars such as lact ...
... 5.4 Catabolite repression A diauxic growth curve results when two sugars are present –e.g. Glucose is used first followed by other sugars such as lactose or xylose. Glucose has been shown to block the expression of a number of operons controlling the catabolism of particular sugars such as lact ...
The Genetic Code
... Codons that specify the same amino acid typically only dier by one nucleotide. In addition, amino acids with chemically similar side chains are encoded by similar codons. This nuance of the genetic code ensures that a single-nucleotide substitution mutation might either specify the same amino acid ...
... Codons that specify the same amino acid typically only dier by one nucleotide. In addition, amino acids with chemically similar side chains are encoded by similar codons. This nuance of the genetic code ensures that a single-nucleotide substitution mutation might either specify the same amino acid ...
Document
... Should be able to distinguish correct structural folds from incorrect structural folds Should be able to distinguish correct sequence-fold alignment from incorrect sequence-fold alignments ...
... Should be able to distinguish correct structural folds from incorrect structural folds Should be able to distinguish correct sequence-fold alignment from incorrect sequence-fold alignments ...
DNA is the hereditary material that transfers info btwn bacterial cells
... • Cloning a Gene= making large quantities of a desired DNA piece …usually insert into a vector (bacteria) • Transfers gene between organisms • Plasmids: circle of DNA in bacterium replicates independently of the single main chromosome ...
... • Cloning a Gene= making large quantities of a desired DNA piece …usually insert into a vector (bacteria) • Transfers gene between organisms • Plasmids: circle of DNA in bacterium replicates independently of the single main chromosome ...
