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APBio Midterm Review-2013
APBio Midterm Review-2013

... organelles involved. 27. What is meant by antiparallel strands and how does this affect DNA replication? 28. Describe the formation of leading and lagging strands of a replicating DNA molecule. What allows for the speed at which eukaryotes can replicate their DNA? 29. What are telomeres? Telomerase? ...
DNA and RNA
DNA and RNA

... SC.912.L.16.4 Explain how mutations in the DNA sequence may or may not result in phenotypic change. Explain how mutations in gametes may result in phenotypic changes in the offspring. SC.912.L.14.6 Explain the significance of genetic factors, environmental factors, and pathogenic agent to health fro ...
MS Word File
MS Word File

... Causes the reading frame to shift by one base Results in dramatically different amino acid sequence Effects of mutations Many mutations have no observable effect on the organism and are called neutral mutations The accumulation of neutral mutations over time is predictable and their presence can be ...
Molecular Genetics
Molecular Genetics

... The topic ofMolecular Genetics deals with the DNA oflbe ceD and the process that is used to decode its genetic code and use the information to make proteins. Genes are made ofDNA. The expression ofDNA is protein. ...
Nucleic Acids - U of L Class Index
Nucleic Acids - U of L Class Index

... DNA and RNA The components and structures of the nucleic acids, DNA and RNA, are described. The concept of complementary base pairing is emphasized for an understanding of the process by which DNA is replicated and its synthesis of mRNA for protein synthesis in the ribosomes. The control of protein ...
Lecture 3
Lecture 3

... where sets of 3, triplets, of nucletides bases [Codon] is converted into an amino acid [ described shortly] • The following tables show the code form the prespective of the DNA codon or RNA codon ...
DNA vs. RNA - Chavis Biology
DNA vs. RNA - Chavis Biology

... Standard H.B.4: The student will demonstrate an understanding of the specific mechanisms by which characteristics or traits are transferred from one generation to the next via genes. ...
PPT
PPT

... DNA of the cell and the process that is used to decode its genetic code and use the information to make proteins. •So, DNA contains the hereditary information that is passed from one generation to the next in humans. •The expression of DNA is protein. ...
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File

... _________________________________NAME __________________PERIOD ________________Date Use the following DNA strand to answer the following questions… ...
DNA Lab
DNA Lab

... complex
(of
RNA
polymerase
and
other
proteins)
begins
to
unwind
segments
of
 DNA
until
the
strands
are
apart
from
each
other.
RNA
polymerase
binds
to
the
 promoter
region
of
the
DNA
strand
and
the
factors
encourage
the
start
of
 transcription.
It
strings
together
an
identical
strand
of
mRNA
nucleoti ...
DNA, RNA, and Protein Synthesis: Information to
DNA, RNA, and Protein Synthesis: Information to

... 1. What are the bases that make up DNA? a. G1, G2, G3, G4 b. thymine, cytosine, adenine, guanine c. uracil, cytosine, adenine, guanine d. thymine, glycine, lysine, alanine 2. Which best describes the shape of DNA? a. circular b. long straight chain c. three leaf clover d. double helix 3. The four fu ...
homepage/tkazanecki/file/Deoxyribonucleic Acid - Parkway C-2
homepage/tkazanecki/file/Deoxyribonucleic Acid - Parkway C-2

... • Usually the left side is for the first N-base. When that is located this is the row it will be in. • Next N-base is usually across the top, this will further narrow the search to the square. • The last N-base is across the right edge to tell you what N-base you have. ...
Pg 286
Pg 286

... a. Mutations do not occur in hox genes. b. Hox genes that are found in different animals are very different from each other. c. Hox genes control the normal development of an animal. ...
Packet - MsOttoliniBiology
Packet - MsOttoliniBiology

... 39. Steps of DNA Replication 1) The enzyme ________________ unwinds and separates the 2 DNA strands by breaking the weak ________________ bonds between bases. It “unzips” the double helix. 2) ________________ gathers _______________ and brings them into the replication fork. A ________________ is cr ...
Nucleic Acid Structures
Nucleic Acid Structures

... 3. DNA Modifying Enzymes – ‘Cut and Paste’ B. Restriction Endonuclease: [endo - cut within, nuclease - cleave nucleic acid]. Used by bacteria to degrade invading viral DNA. Named after bacterial species the particular enzyme was isolated from. 1. Enzyme binds to specific recognition sequences with n ...
1b Unit 5 DNA structure and replication powerpoint
1b Unit 5 DNA structure and replication powerpoint

... • Our alphabet has 26 letters – Can create many different words  many different sentences  billions of different books of information. ...
Class Presentation Questions for CH 12 Part 1(Sections 1-2-3).
Class Presentation Questions for CH 12 Part 1(Sections 1-2-3).

... 5. List three differences between RNA & DNA. 6. RNA molecules are involved mainly in one job…the creation of _____________. 7. RNA molecules are produced by copying part of the molecule sequence of DNA into a complementary sequence in RNA, in a process known as _______________. 8. What enzyme is use ...
Nucleotides and Nucleic Acids DNA and RNA
Nucleotides and Nucleic Acids DNA and RNA

...  Nucleic acids are large biological molecules, essential ...
GENETIC Material
GENETIC Material

... 1. What is the purpose of DNA replication? It is necessary to make a copy of DNA for a new cell that will be produced during cell division. This cell will be genetically identical to its parent cell. 2. During what stage of the cell cycle is DNA replicated? S phase (after G1, before G2) ...
Chapter 5: DNA
Chapter 5: DNA

...  DNA provides the code, or set of rules, for making proteins. ...
DNA, RNA, Proteins
DNA, RNA, Proteins

... and enters the cytoplasm. The 5' end of the mRNA connects to the ribosome, where the code is read and translated to make a protein in a process called translation. • IN translation, tRNA interprets the mRNA codon sequence. Once the mRNA binds with a ribosome, a tRNA with the anticodon, UAC will bind ...
Ch. 11 Powerpoint - Plain Local Schools
Ch. 11 Powerpoint - Plain Local Schools

... 1. A mutation is any change in the nucleotide sequence of DNA. 2.Two categories of mutations a. Base substitutions (point)– replacement of one nucleotide with another i. This can change the protein or not change the protein b. Base insertions or base deletions (frameshift) – addition of an extra nuc ...
THE NUCLEIC ACIDS
THE NUCLEIC ACIDS

... Nucleic acids are polymers specialized for the storage, transmission, and use of genetic information. DNA = deoxyribonucleic acid ...
HRW BIO CRF Ch 09_p01-58
HRW BIO CRF Ch 09_p01-58

... a phosphate group, a five-carbon sugar molecule, and a nitrogen base It stands for deoxyribonucleic acid. a ...
14.1 Structure of Ribonucleic Acid (RNA)
14.1 Structure of Ribonucleic Acid (RNA)

... • It transferred the DNA code from the nucleus to the cytoplasm. • Hence, we call it messenger RNA (or mRNA). • mRNA is small enough to leave through the nuclear pores. ...
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Helicase



Helicases are a class of enzymes vital to all living organisms. Their main function is to unpackage an organism's genes. They are motor proteins that move directionally along a nucleic acid phosphodiester backbone, separating two annealed nucleic acid strands (i.e., DNA, RNA, or RNA-DNA hybrid) using energy derived from ATP hydrolysis. There are many helicases resulting from the great variety of processes in which strand separation must be catalyzed. Approximately 1% of eukaryotic genes code for helicases. The human genome codes for 95 non-redundant helicases: 64 RNA helicases and 31 DNA helicases. Many cellular processes, such as DNA replication, transcription, translation, recombination, DNA repair, and ribosome biogenesis involve the separation of nucleic acid strands that necessitates the use of helicases.
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