Chapter 9 .Metabolism of nucleotide
... First step : helicase unwind of double helix DNA forming a replication fork. It include: DnaA recognize the origin of replication DnaB : open double helix DnaC :cooperate with DnaB Second step: topoisomerase unwind supercoiled (positive-superhelix) DNA Third step: SSB binds to single strand DNA and ...
... First step : helicase unwind of double helix DNA forming a replication fork. It include: DnaA recognize the origin of replication DnaB : open double helix DnaC :cooperate with DnaB Second step: topoisomerase unwind supercoiled (positive-superhelix) DNA Third step: SSB binds to single strand DNA and ...
DNA Quiz
... ____ 10. (1 point) When new DNA molecules are formed, almost all errors are detected and fixed by a. the correct nucleotide. b. the sugar-phosphate backbone. c. DNA polymerase. d. one DNA strand. ____ 11. (1 point) The central dogma of molecular biology states that information flows in one direction ...
... ____ 10. (1 point) When new DNA molecules are formed, almost all errors are detected and fixed by a. the correct nucleotide. b. the sugar-phosphate backbone. c. DNA polymerase. d. one DNA strand. ____ 11. (1 point) The central dogma of molecular biology states that information flows in one direction ...
Protein Synthesis
... • mRNA picks up the code from the DNA template strand and takes it from the nucleus to ribosomes in the cytoplasm • Main goal: make a copy of the code and get it out of the nucleus! Question: Why can’t DNA leave the nucleus? ...
... • mRNA picks up the code from the DNA template strand and takes it from the nucleus to ribosomes in the cytoplasm • Main goal: make a copy of the code and get it out of the nucleus! Question: Why can’t DNA leave the nucleus? ...
DNA, RNA review ap biology summer homework
... sequence of bases that determine which protein is to be made. The sequence is like a code that we can now interpret. The sequence determines which proteins are made and the proteins determine which activities will be performed. And that is how the nucleus is the control center of the cell. The only ...
... sequence of bases that determine which protein is to be made. The sequence is like a code that we can now interpret. The sequence determines which proteins are made and the proteins determine which activities will be performed. And that is how the nucleus is the control center of the cell. The only ...
Final Review Answer Key - Mercer Island School District
... the cell). Glucose (C6H12O6) and oxygen (O2) are the reactants in the overall reaction. Carbon dioxide (CO2) and water (H2O) are the products. The energy released in the process is used to create ATP (from ADP + P). 2. Describe an ATP molecule, including which bond is a high energy bond. ATP is aden ...
... the cell). Glucose (C6H12O6) and oxygen (O2) are the reactants in the overall reaction. Carbon dioxide (CO2) and water (H2O) are the products. The energy released in the process is used to create ATP (from ADP + P). 2. Describe an ATP molecule, including which bond is a high energy bond. ATP is aden ...
The Search for the Genetic Material
... DNA pol III adds DNA nucleotides, detaching when it reaches the fragment 1 primer. • 6. DNA pol I replaces the RNA with DNA, adding nucleotides to the 3’ end of fragment 2. • 7. DNA ligase forms a bond between the newest DNA and the DNA of fragment 1. • 8. This continues until the strand is replicat ...
... DNA pol III adds DNA nucleotides, detaching when it reaches the fragment 1 primer. • 6. DNA pol I replaces the RNA with DNA, adding nucleotides to the 3’ end of fragment 2. • 7. DNA ligase forms a bond between the newest DNA and the DNA of fragment 1. • 8. This continues until the strand is replicat ...
Recall that the nucleus is a small spherical, dense body in a cell
... building blocks for an organism, proteins make up your skin, your hair, parts of individual cells. How you look is largely determined by the proteins that are made. The proteins that are made are determined by the sequence of DNA in the nucleus. Chromosomes are composed of genes, which is a segment ...
... building blocks for an organism, proteins make up your skin, your hair, parts of individual cells. How you look is largely determined by the proteins that are made. The proteins that are made are determined by the sequence of DNA in the nucleus. Chromosomes are composed of genes, which is a segment ...
Things to Know for the Test – Honors
... 3. What is a section of DNA? A gene 4. What did early scientists think was the genetic material? ...
... 3. What is a section of DNA? A gene 4. What did early scientists think was the genetic material? ...
DNA Transcription and Translation
... 2. Protein synthesis is a process that takes place within cells. Which of the following best compares the location or locations in the cell in which transcription and translation take place? a. Transcription takes place in the cytoplasm; translation takes place in the nucleus. b. Translation takes ...
... 2. Protein synthesis is a process that takes place within cells. Which of the following best compares the location or locations in the cell in which transcription and translation take place? a. Transcription takes place in the cytoplasm; translation takes place in the nucleus. b. Translation takes ...
Unit 4 genetics part 1
... One conformation is aberrant - Moreover, it can be passed on to other prions upon contact, propagating like an “infectious” agent In addition, the aberrant conformation can form even in the wild-type protein ...
... One conformation is aberrant - Moreover, it can be passed on to other prions upon contact, propagating like an “infectious” agent In addition, the aberrant conformation can form even in the wild-type protein ...
Genetic Engineering
... changes in the DNA code of a living organism 1. Extraction – DNA can be extracted using simple chemicals that open the cell and separate the DNA. 2. Cutting DNA – Large DNA molecules are cut into smaller segments by restriction enzymes. ...
... changes in the DNA code of a living organism 1. Extraction – DNA can be extracted using simple chemicals that open the cell and separate the DNA. 2. Cutting DNA – Large DNA molecules are cut into smaller segments by restriction enzymes. ...
transcription
... Biologists use the terms transcription and translation to describe the two steps in genetic information flow from DNA to protein. Which of the following is correct? (A) Transcription is the synthesis of protein from mRNA by ribosomes; translation is the synthesis of mRNA from DNA by RNA polymerase. ...
... Biologists use the terms transcription and translation to describe the two steps in genetic information flow from DNA to protein. Which of the following is correct? (A) Transcription is the synthesis of protein from mRNA by ribosomes; translation is the synthesis of mRNA from DNA by RNA polymerase. ...
Central dogma: from genome to proteins
... polymerase before the polymerase can begin transcription. • Eucaryotic transcription initiation must deal with the packing of DNA into nucleosomes and higher order forms of chromatin structure, features absent from bacterial chromosomes. ...
... polymerase before the polymerase can begin transcription. • Eucaryotic transcription initiation must deal with the packing of DNA into nucleosomes and higher order forms of chromatin structure, features absent from bacterial chromosomes. ...
Question How does DNA control a cell?By controlling Protein
... between the new AA and the polypeptide chain in the P-site. ...
... between the new AA and the polypeptide chain in the P-site. ...
Chapter 12 DNA - Mr. Tate's Biology Site
... • Each of these amino acids that mRNA “codes” for recognizes the three base pair sequence • A codon consists of “three nucleotides in a row” that code for a single amino acid – AUG codes for the amino acid Methionine ...
... • Each of these amino acids that mRNA “codes” for recognizes the three base pair sequence • A codon consists of “three nucleotides in a row” that code for a single amino acid – AUG codes for the amino acid Methionine ...
Repressor - (www.ramsey.k12.nj.us).
... 16. Transcription in eukaryotes is regulated by a class of proteins called? a. operons b. promoters d. operators e. Transcription factors ...
... 16. Transcription in eukaryotes is regulated by a class of proteins called? a. operons b. promoters d. operators e. Transcription factors ...
Replisome
The replisome is a complex molecular machine that carries out replication of DNA. The replisome first unwinds double stranded DNA into two single strands. For each of the resulting single strands, a new complementary sequence of DNA is synthesized. The net result is formation of two new double stranded DNA sequences that are exact copies of the original double stranded DNA sequence.In terms of structure, the replisome is composed of two replicative polymerase complexes, one of which synthesizes the leading strand, while the other synthesizes the lagging strand. The replisome is composed of a number of proteins including helicase, RFC, PCNA, gyrase/topoisomerase, SSB/RPA, primase, DNA polymerase I, RNAse H, and ligase.