DNA TEST
... 18. The DNA of a certain organism has cytosine as 22% of its bases. What percentage of the bases are thymine? a) 28% b) 78% c) 50% d) 22% 19. Semi conservative replication means that a) Sometimes DNA can replicate and sometimes it cannot, this accounts for aging b) Sometimes newly made DNA molecules ...
... 18. The DNA of a certain organism has cytosine as 22% of its bases. What percentage of the bases are thymine? a) 28% b) 78% c) 50% d) 22% 19. Semi conservative replication means that a) Sometimes DNA can replicate and sometimes it cannot, this accounts for aging b) Sometimes newly made DNA molecules ...
genes: genetics, gemonics, an evolution
... d. distribute seeds to member seed companies. e. do all of these. ____ 29. The term "biotech barnyards" commonly refers to a. the production of human products by farm animals. b. the development of new species of farm animals. c. the increase of milk, egg, and wool production. d. ultramodern methods ...
... d. distribute seeds to member seed companies. e. do all of these. ____ 29. The term "biotech barnyards" commonly refers to a. the production of human products by farm animals. b. the development of new species of farm animals. c. the increase of milk, egg, and wool production. d. ultramodern methods ...
PGM Quizzes
... When preparing DNA inserts for a genomic library, you need to make sure that the fragments meet three criteria. Name any two. correct size for the vector of choice, regions of overlapping sequence among fragments, ends compatible with the vector. In order to prepare a concatomer for packaging in lam ...
... When preparing DNA inserts for a genomic library, you need to make sure that the fragments meet three criteria. Name any two. correct size for the vector of choice, regions of overlapping sequence among fragments, ends compatible with the vector. In order to prepare a concatomer for packaging in lam ...
what is your dna alias
... There are four nucleotide base molecules in DNA: Adenine, Cytosine, Guanine and Thymine. Three nucleotide bases together in a sequence on a DNA strand are called a ‘codon’. Because there are so many possible base sequences (i.e., codons), geneticists have developed a short-hand using our 26 letter a ...
... There are four nucleotide base molecules in DNA: Adenine, Cytosine, Guanine and Thymine. Three nucleotide bases together in a sequence on a DNA strand are called a ‘codon’. Because there are so many possible base sequences (i.e., codons), geneticists have developed a short-hand using our 26 letter a ...
Warm-Up 5/2 and 5/3
... • What about polygenic traits, where individuals have more than two genes for a trait? ...
... • What about polygenic traits, where individuals have more than two genes for a trait? ...
Dangerous Ideas and Forbidden Knowledge: Quiz 2 Review Outline
... a) Individuals 2 and 3 share a more recent common ancestor that individuals 1 and 2 b) There are fewer differences between the DNA sequences of individual 1 and individual 4 than there are between individual 1 and individual 2. c) Individual 1 is more highly evolved than individual 3. d) All of thes ...
... a) Individuals 2 and 3 share a more recent common ancestor that individuals 1 and 2 b) There are fewer differences between the DNA sequences of individual 1 and individual 4 than there are between individual 1 and individual 2. c) Individual 1 is more highly evolved than individual 3. d) All of thes ...
Bacteria Worksheet #3
... 1. Compare and contrast between sexual and asexual reproduction in bacteria. ...
... 1. Compare and contrast between sexual and asexual reproduction in bacteria. ...
Amino acids
... Oxygen binding leads to structural (conformational) changes in binding site, which are transmitted to neighboring subunits through contacts between subunits ...
... Oxygen binding leads to structural (conformational) changes in binding site, which are transmitted to neighboring subunits through contacts between subunits ...
chapter18-20packet
... pathway’s end product serves as a _________________ to activate the repressor and turn off enzyme synthesis and prevent overproduction of the end product of the pathway. Genes for repressible enzymes are usually switched _______________ and the repressor is synthesized in an _________________ form. ...
... pathway’s end product serves as a _________________ to activate the repressor and turn off enzyme synthesis and prevent overproduction of the end product of the pathway. Genes for repressible enzymes are usually switched _______________ and the repressor is synthesized in an _________________ form. ...
DNA and Chromosomes
... In humans and animals, it is the first step of mitosis, which occurs when cells in your body grow (like your muscles). It is also very important for meiosis, which is the first step of sexual reproduction. ...
... In humans and animals, it is the first step of mitosis, which occurs when cells in your body grow (like your muscles). It is also very important for meiosis, which is the first step of sexual reproduction. ...
Macromolecules Review_AK
... Protein- peptide bonds (type of covalent bond) Polysaccharide- covalent bond DNA or RNA- covalent bond Triglyceride- covalent bond ...
... Protein- peptide bonds (type of covalent bond) Polysaccharide- covalent bond DNA or RNA- covalent bond Triglyceride- covalent bond ...
DNA-RNA-Protein Synthesis
... 3 grey tubes (peptide bonds) 3 blue three pronged pieces (tRNA) 3 black three pronged piece (amino acids) Procedure: Designate roles within your group. There should be at least one builder (probably two), an artist, a recorder, and a demolisher (disassembly). The demolisher and builder may have two ...
... 3 grey tubes (peptide bonds) 3 blue three pronged pieces (tRNA) 3 black three pronged piece (amino acids) Procedure: Designate roles within your group. There should be at least one builder (probably two), an artist, a recorder, and a demolisher (disassembly). The demolisher and builder may have two ...
Transcription Student Handout
... (2) translation. Transcription is the process in which DNA is used as a template to produce a singlestranded RNA molecule. Translation is the process in which the DNA code, now contained in the singlestranded RNA, is deciphered into a sequence of linked amino acids that become a protein. In eukaryot ...
... (2) translation. Transcription is the process in which DNA is used as a template to produce a singlestranded RNA molecule. Translation is the process in which the DNA code, now contained in the singlestranded RNA, is deciphered into a sequence of linked amino acids that become a protein. In eukaryot ...
GENE MUTATION = POINT MUTATION at the DNA level: at the level
... Spontaneous mutations: a mutation that occurs in the absence of known mutagens • uncorrected errors* that occur during DNA replication, repair or recombination • spontaneous lesions that occur to the DNA molecule under normal physiological conditions and that are not repaired by the cell’s DNA exci ...
... Spontaneous mutations: a mutation that occurs in the absence of known mutagens • uncorrected errors* that occur during DNA replication, repair or recombination • spontaneous lesions that occur to the DNA molecule under normal physiological conditions and that are not repaired by the cell’s DNA exci ...
CHAPTER 10: The Structure and Function of DNA
... 2. It must carry information to copy itself and be able to do so with great precision. 3. BUT... it must also make mistakes sometimes (mutate). Mistakes (mutations) must then be copied as faithfully as the original. Without the capacity of the genetic molecule to copy its mistakes, there could be no ...
... 2. It must carry information to copy itself and be able to do so with great precision. 3. BUT... it must also make mistakes sometimes (mutate). Mistakes (mutations) must then be copied as faithfully as the original. Without the capacity of the genetic molecule to copy its mistakes, there could be no ...
How do you go from gene to protein?
... Each chromosome is made of many genes. Each gene is made up of a specific DNA sequence which codes for a specific amino acid sequence, otherwise called a protein. These proteins result in the presence or absence of particular traits, or phenotypes. The process of going from gene, or DNA, to protein ...
... Each chromosome is made of many genes. Each gene is made up of a specific DNA sequence which codes for a specific amino acid sequence, otherwise called a protein. These proteins result in the presence or absence of particular traits, or phenotypes. The process of going from gene, or DNA, to protein ...
3-3 ch4
... *ch.4-3 video notes and Biosphere 2 TED talk/rubric out for stamp! 1. In convergent evolution, (analogous, homologous) structures are seen, while in divergent evolution, (analogous, homologous) structures are seen. 2. Explain how coevolution can be like an arms race between two species. 3. T/F ...
... *ch.4-3 video notes and Biosphere 2 TED talk/rubric out for stamp! 1. In convergent evolution, (analogous, homologous) structures are seen, while in divergent evolution, (analogous, homologous) structures are seen. 2. Explain how coevolution can be like an arms race between two species. 3. T/F ...
Lecture Outline ()
... • Law of complimentary base pairing allows building of one DNA strand based on the bases in 2nd strand • Steps of replication process – DNA helicase opens short segment of helix • point of separation called replication fork ...
... • Law of complimentary base pairing allows building of one DNA strand based on the bases in 2nd strand • Steps of replication process – DNA helicase opens short segment of helix • point of separation called replication fork ...
Chapter 8: Microbial Genetics 1. Gene Expression Gene Expression
... Regulation of Transcription The focal point is whether or not RNA polymerase binds the promoter of a gene and initiates transcription which depends on: 1) Affinity of RNA polymerase for a given promoter • some promoters are “strong” and bind RNA polymerase with high affinity • some promoters are “we ...
... Regulation of Transcription The focal point is whether or not RNA polymerase binds the promoter of a gene and initiates transcription which depends on: 1) Affinity of RNA polymerase for a given promoter • some promoters are “strong” and bind RNA polymerase with high affinity • some promoters are “we ...
GENE to PROTEIN
... • Garrod (1909) hypothesized that the symptoms of an inherited disease reflect a person’s inability to make a particular enzyme. • The breakthrough in demonstrating the relationship between genes and enzymes when Beadle and Tatum began to search for mutants of bread mold. They discovered that mutan ...
... • Garrod (1909) hypothesized that the symptoms of an inherited disease reflect a person’s inability to make a particular enzyme. • The breakthrough in demonstrating the relationship between genes and enzymes when Beadle and Tatum began to search for mutants of bread mold. They discovered that mutan ...
GENE to PROTEIN
... • Garrod (1909) hypothesized that the symptoms of an inherited disease reflect a person’s inability to make a particular enzyme. • The breakthrough in demonstrating the relationship between genes and enzymes when Beadle and Tatum began to search for mutants of bread mold. They discovered that mutan ...
... • Garrod (1909) hypothesized that the symptoms of an inherited disease reflect a person’s inability to make a particular enzyme. • The breakthrough in demonstrating the relationship between genes and enzymes when Beadle and Tatum began to search for mutants of bread mold. They discovered that mutan ...
Deoxyribozyme
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Deoxyribozymes, also called DNA enzymes, DNAzymes, or catalytic DNA, are DNA oligonucleotides that are capable of catalyzing specific chemical reactions, similar to the action of other biological enzymes, such as proteins or ribozymes (enzymes composed of RNA).However, in contrast to the abundance of protein enzymes in biological systems and the discovery of biological ribozymes in the 1980s,there are no known naturally occurring deoxyribozymes.Deoxyribozymes should not be confused with DNA aptamers which are oligonucleotides that selectively bind a target ligand, but do not catalyze a subsequent chemical reaction.With the exception of ribozymes, nucleic acid molecules within cells primarily serve as storage of genetic information due to its ability to form complementary base pairs, which allows for high-fidelity copying and transfer of genetic information. In contrast, nucleic acid molecules are more limited in their catalytic ability, in comparison to protein enzymes, to just three types of interactions: hydrogen bonding, pi stacking, and metal-ion coordination. This is due to the limited number of functional groups of the nucleic acid monomers: while proteins are built from up to twenty different amino acids with various functional groups, nucleic acids are built from just four chemically similar nucleobases. In addition, DNA lacks the 2'-hydroxyl group found in RNA which limits the catalytic competency of deoxyribozymes even in comparison to ribozymes.In addition to the inherent inferiority of DNA catalytic activity, the apparent lack of naturally occurring deoxyribozymes may also be due to the primarily double-stranded conformation of DNA in biological systems which would limit its physical flexibility and ability to form tertiary structures, and so would drastically limit the ability of double-stranded DNA to act as a catalyst; though there are a few known instances of biological single-stranded DNA such as multicopy single-stranded DNA (msDNA), certain viral genomes, and the replication fork formed during DNA replication. Further structural differences between DNA and RNA may also play a role in the lack of biological deoxyribozymes, such as the additional methyl group of the DNA base thymidine compared to the RNA base uracil or the tendency of DNA to adopt the B-form helix while RNA tends to adopt the A-form helix. However, it has also been shown that DNA can form structures that RNA cannot, which suggests that, though there are differences in structures that each can form, neither is inherently more or less catalytic due to their possible structural motifs.