WEEK 1 PROBLEMS Problems From Chapter 1
... cultures lacking Z, they cannot grow. If Z is added to the medium, they grow. Experiments are carried out to determine whether any of the intermediates can substitute for Z in supporting growth. It is found that mutant cells can grow in the presence of Y but not in the presence of W or X. Deduce fro ...
... cultures lacking Z, they cannot grow. If Z is added to the medium, they grow. Experiments are carried out to determine whether any of the intermediates can substitute for Z in supporting growth. It is found that mutant cells can grow in the presence of Y but not in the presence of W or X. Deduce fro ...
DNA versus RNA Notes File
... • Finally, both DNA and RNA can contain four nitrogenous bases, BUT RNA does not have Thymine. • Thymine is replaced by a similar base called uracil (U). ...
... • Finally, both DNA and RNA can contain four nitrogenous bases, BUT RNA does not have Thymine. • Thymine is replaced by a similar base called uracil (U). ...
BIOCHEMISTRY 4.1 HOMEWORK
... 2. Selecting for recombinant plasmids When cloning a foreign DNA fragment into a plasmid, it is often useful to insert the fragment at a site that interrupts a selectable marker (such as the tetracycline-resistance gene of pBR322). The loss of function of the interrupted gene can be used to identif ...
... 2. Selecting for recombinant plasmids When cloning a foreign DNA fragment into a plasmid, it is often useful to insert the fragment at a site that interrupts a selectable marker (such as the tetracycline-resistance gene of pBR322). The loss of function of the interrupted gene can be used to identif ...
Yeast Saccharomyces cerevisiae
... gene targeting is a genetic technique that uses homologous recombination to modify an endogenous gene ...
... gene targeting is a genetic technique that uses homologous recombination to modify an endogenous gene ...
What is RNA? - Manhasset Schools
... DNA is too ________________ to leave the nucleus, so a smaller molecule called __________ is made to carry the _______________________ out of the _________________ so ____________________ can be made. * This is completed through the process of _________________________________ * ...
... DNA is too ________________ to leave the nucleus, so a smaller molecule called __________ is made to carry the _______________________ out of the _________________ so ____________________ can be made. * This is completed through the process of _________________________________ * ...
DNA Replication - The Biology Corner
... Problem: it reaches the replication fork, but the helicase is moving in the opposite direction. It stops, and another polymerase binds farther down the chain. This process creates several fragments, called Okazaki Fragments, that are bound together by DNA ligase. 6. During replication, there are man ...
... Problem: it reaches the replication fork, but the helicase is moving in the opposite direction. It stops, and another polymerase binds farther down the chain. This process creates several fragments, called Okazaki Fragments, that are bound together by DNA ligase. 6. During replication, there are man ...
3-3-16 Biology Bell Work: Where does DNA replication take place
... Questions and Reading----Page 351 in Biology Book ...
... Questions and Reading----Page 351 in Biology Book ...
STUDY GUIDE FOR CHAPTER 12 – DNA Two Main Processes for
... What enzyme reads one side of the DNA and makes a complementary strands? What enzyme unzips the double helix? What enzyme acts as “glue” to make sure the new DNA strands are complete? DNA is a double helix, a small portion of one side of DNA is shown below, use the base pair rules to complete the co ...
... What enzyme reads one side of the DNA and makes a complementary strands? What enzyme unzips the double helix? What enzyme acts as “glue” to make sure the new DNA strands are complete? DNA is a double helix, a small portion of one side of DNA is shown below, use the base pair rules to complete the co ...
ap: chapter 16: the molecular basis of inheritance
... 1. After Morgan and fellow scientists developed the Chromosomal Theory of Inheritance, the search was on for the chemical mechanism of inheritance. What are the two components of the chromosome? __________________________________________________________________________ 2. From initial logic, which c ...
... 1. After Morgan and fellow scientists developed the Chromosomal Theory of Inheritance, the search was on for the chemical mechanism of inheritance. What are the two components of the chromosome? __________________________________________________________________________ 2. From initial logic, which c ...
RNA base pairing Worksheet
... When a cell creates RNA (transcription), the original DNA ladder is broken apart and new RNA nucleotides are added to one of the strands (template strand). This creates a single stranded RNA molecule. ...
... When a cell creates RNA (transcription), the original DNA ladder is broken apart and new RNA nucleotides are added to one of the strands (template strand). This creates a single stranded RNA molecule. ...
Zebrafish Jeopardy
... DNA Duplication for 300 This component is required for replication in bacterial cells. Its function is to move along the DNA strand ahead of the replication fork, while breaking and sealing bonds in the DNA strand in order to reduce the stress of the twisting. What is DNA gyrase? Home ...
... DNA Duplication for 300 This component is required for replication in bacterial cells. Its function is to move along the DNA strand ahead of the replication fork, while breaking and sealing bonds in the DNA strand in order to reduce the stress of the twisting. What is DNA gyrase? Home ...
: Determining DNA sequences
... – Plasmid Vectors: help insert the DNA fragment that needs cloned into a host cell. Inside the host cell both the vector and the DNA fragment are cloned (copied). In the example a DNA fragment is inserted into the plasmid. The plasmid is then inserted into the host cells and produces many copies of ...
... – Plasmid Vectors: help insert the DNA fragment that needs cloned into a host cell. Inside the host cell both the vector and the DNA fragment are cloned (copied). In the example a DNA fragment is inserted into the plasmid. The plasmid is then inserted into the host cells and produces many copies of ...
IntrotoBiotechRestrictionEnzymes2011
... • Enzymes that are able to cut double stranded DNA at specific sequences. • They originate from bacteria and are used in their native environment to destroy (by chopping up) any DNA that is not property of the bacteria. • Restriction enzymes will cut DNA at a specific sequence (called a recognition ...
... • Enzymes that are able to cut double stranded DNA at specific sequences. • They originate from bacteria and are used in their native environment to destroy (by chopping up) any DNA that is not property of the bacteria. • Restriction enzymes will cut DNA at a specific sequence (called a recognition ...
Okazaki Fragments
... discontinuously against overall direction of replication This strand is made in MANY short segments It is replicated from the replication fork toward the origin Leading Strand ...
... discontinuously against overall direction of replication This strand is made in MANY short segments It is replicated from the replication fork toward the origin Leading Strand ...
Document
... Problem of Strain due to Unwinding of DNA by Helicase is solved by the Swivel Concept ...
... Problem of Strain due to Unwinding of DNA by Helicase is solved by the Swivel Concept ...
DNA - NylandBiology2012-2013
... _______Daughter strands are formed using complementary base pairing. ______ DNA unwinds ______ The DNA of the daughter strands winds with together with its parent strand. 12. Why is DNA replication called "semi-conservative"? __________________________________________ ...
... _______Daughter strands are formed using complementary base pairing. ______ DNA unwinds ______ The DNA of the daughter strands winds with together with its parent strand. 12. Why is DNA replication called "semi-conservative"? __________________________________________ ...
ERT 101 Biochemistry
... copies of its genome to its descendants. The key to DNA replication is the complementary structure of the two strands: Adenine and guanine in one strand bond with thymine and cytosine, respectively, in the other. DNA replication is a simple concept - a cell separates the two original strands and use ...
... copies of its genome to its descendants. The key to DNA replication is the complementary structure of the two strands: Adenine and guanine in one strand bond with thymine and cytosine, respectively, in the other. DNA replication is a simple concept - a cell separates the two original strands and use ...
Vocabulary Quiz Key Terms
... An enzyme that breaks the hydrogen bonds holding the base pairs together as it unwinds and unzips the double helix, allowing new nucleotides to bind to the 2 single strands by base pairing. An enzyme that adds complementary nucleotides to the template strand of the unzipped double helix until the en ...
... An enzyme that breaks the hydrogen bonds holding the base pairs together as it unwinds and unzips the double helix, allowing new nucleotides to bind to the 2 single strands by base pairing. An enzyme that adds complementary nucleotides to the template strand of the unzipped double helix until the en ...
transcription - moleculesoflife1
... Where in the cell Starting material End product 2. Proteins are made up of _______________________________, which our bodies either make or come from our food. 3. What is the mRNA strand that would be copied from this DNA strand? G G C ...
... Where in the cell Starting material End product 2. Proteins are made up of _______________________________, which our bodies either make or come from our food. 3. What is the mRNA strand that would be copied from this DNA strand? G G C ...
DNA - MERLOT International Conference
... contain one new strand and one parental strand Bases on strands are complimentary (A w/ T & C w/ G) ...
... contain one new strand and one parental strand Bases on strands are complimentary (A w/ T & C w/ G) ...
DNA Recombination Mechanisms
... a mechanism for generating genetic diversity Recombination occurs randomly between two homologous sequences and the frequency of recombination between two sites is proportional to the distance between the sites ...
... a mechanism for generating genetic diversity Recombination occurs randomly between two homologous sequences and the frequency of recombination between two sites is proportional to the distance between the sites ...
MOLECULAR BIOLOGY.rtf
... made in nucleus by process know as transcription RNA (ribonucleic acid) continued Transcription—copies one of the DNA strands from the 3’end, and makes RNA beginning at its 5’end. The new RNA is complementary (A=U and G=C) and antiparallel to the coding strand of DNA Transcription is catalyzed in t ...
... made in nucleus by process know as transcription RNA (ribonucleic acid) continued Transcription—copies one of the DNA strands from the 3’end, and makes RNA beginning at its 5’end. The new RNA is complementary (A=U and G=C) and antiparallel to the coding strand of DNA Transcription is catalyzed in t ...
Holliday junction
A Holliday junction is a branched nucleic acid structure that contains four double-stranded arms joined together. These arms may adopt one of several conformations depending on buffer salt concentrations and the sequence of nucleobases closest to the junction. The structure is named after the molecular biologist Robin Holliday, who proposed its existence in 1964.In biology, Holliday junctions are a key intermediate in many types of genetic recombination, as well as in double-strand break repair. These junctions usually have a symmetrical sequence and are thus mobile, meaning that the four individual arms may slide though the junction in a specific pattern that largely preserves base pairing. Additionally, four-arm junctions similar to Holliday junctions appear in some functional RNA molecules.Immobile Holliday junctions, with asymmetrical sequences that lock the strands in a specific position, were artificially created by scientists to study their structure as a model for natural Holliday junctions. These junctions also later found use as basic structural building blocks in DNA nanotechnology, where multiple Holliday junctions can be combined into specific designed geometries that provide molecules with a high degree of structural rigidity.