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DNA – Deoxyribonucleic Acid
DNA – Deoxyribonucleic Acid

... • So that later, the sister chromatids can separate into different (new) cells! ...
Question How does DNA control a cell?By controlling Protein
Question How does DNA control a cell?By controlling Protein

... in changes in phenotype (17.5). ...
bio12_sm_07_1
bio12_sm_07_1

... 4. The three major classes of RNA are: mRNA, which carries genetic information stored in DNA out of the nucleus to be coded into proteins at a ribosome; rRNA, which combines with proteins to form catalytic portions of ribosomes that facilitate peptide production; and tRNA, which are small clover-lea ...
Bio 11A
Bio 11A

... 4. Describe the stages of the cell cycle, including interphase and mitosis. 5. Describe all of the stages of mitosis. Be able to determine chromosome number at any point during the cell cycle and whether the chromosomes are duplicated or unduplicated. 6. How is the cell cycle related to cancer? What ...
Chapter 17 Notes : From Gene to Protien
Chapter 17 Notes : From Gene to Protien

... The 5 end is capped with a modified G, which helps prevent degredation by hydrolytic enzymes, and signals as an attachment spot for ribosomes.  At the 3 end, a polytail A is added (repetitive AAA sequence 50-250 nucleotides long.) It serves the same functions as the G cap, but also helps export mRN ...
Unit 3 * Molecular Genetics
Unit 3 * Molecular Genetics

gene transcription and rna modification
gene transcription and rna modification

Biology Standards Based Benchmark Assessment
Biology Standards Based Benchmark Assessment

... of the cell membrane has two main parts: the head and the tail. These parts are either hydrophobic (repelled by water) or hydrophilic (attracted to water). Which statement best describe the phospholipid head and tail? a. The tail is hydrophilic and the head is hydrophobic. b. The head is hydrophilic ...
Chapter 12 Study Guide
Chapter 12 Study Guide

... What happens to lac repressors in E. coli when lactose is present? (2 points) ...
Chapter 18, 19, 20 Summaries
Chapter 18, 19, 20 Summaries

... • Repressible enzymes usually function in anabolic pathways; their synthesis is repressed by high levels of the end product • This type of regulation is referred to as negative gene regulation because operons are turned off by the active form of the repressor ...
Types of RNA
Types of RNA

... 1. ______________________________ - Compounds made of sugar molecules (saccharides) 2. ______________________________ - Stores energy for long term use. Includes Fats, phospholipids , waxes, and steroids 3. ______________________________ - Long polymers of which amino acids are connected together by ...
Principles of Life
Principles of Life

... replicated semi-conservatively by base pairing, and that it was expressed in proteins. What was not understood was how the nucleotide sequence information in DNA was translated into an amino acid sequence in a protein. Francis Crick proposed that the intermediary between DNA and protein was RNA and ...
word - My eCoach
word - My eCoach

... 26. Look at the Figure above. The phospholipid molecule of the cell membrane has two main parts: the head and the tail. These parts are either hydrophobic (repelled by water) or hydrophilic (attracted to water). Which statement best describe the phospholipid head and tail? a. The tail is hydrophilic ...
Lecture 10: Nucleic acids (DNA & RNA)
Lecture 10: Nucleic acids (DNA & RNA)

... 1) Deoxyribonucleic acid (DNA): is the genetic material ‫ المادة الوراثية‬in most organisms (humans, animals, bacteria, plants, and some viruses). 2) Ribonucleic acid (RNA): in some viruses, RNA serves as the genetic material.  Nucleic acids store and transmit genetic information ‫المعلومات الوراثي ...
Gene Regulation - public.iastate.edu
Gene Regulation - public.iastate.edu

... Regulating Transcription lac operon: coordinated control ‹The genes for lactose metabolism are: » clustered together on the chromosome » controlled by a single promoter » transcribed as a single transcript ‹1 promoter + several coding regions (cistrons) ...
Study Guide Chapters 8-9 Nucleic Acids, and Molecular Engineering
Study Guide Chapters 8-9 Nucleic Acids, and Molecular Engineering

... 10. What is the Tm of DNA due too, which base pairs is it dependent upon, and why? From ‘melting’ of DNA what enzyme did we realize had to exist? What ‘chaperone’ like protein needed also to exist? What makes RNA polymerase unique in this regard? 11. What are hybrid heteroduplexes? What can you do w ...
E1-3 NotesProtein Synth
E1-3 NotesProtein Synth

... 4. DNA continues to have errors due to carcinogens and simple errors. II. ...
Life: The Science of Biology, 8e
Life: The Science of Biology, 8e

... Point mutations can result from replication and proofreading errors, or from environmental mutagens. Silent mutations have no effect on the protein because of the redundancy of the genetic code. Silent mutations result in genetic diversity not expressed as phenotype ...
Transcription Study Guide
Transcription Study Guide

powerpoint slides - Central Web Server 2
powerpoint slides - Central Web Server 2

miRNASelect™ pEGP-mmu-mir-21 Expression Vector
miRNASelect™ pEGP-mmu-mir-21 Expression Vector

... MicroRNAs (miRNAs) are 18–24 nucleotide RNA molecules that regulate the stability or translational efficiency of target mRNAs. These regulatory RNAs function by acting as sequence-specific guides which recruit a large protein complex known as the RNA-induced silencing complex (RISC) to target mRNAs ...
Assignment 5 (Perl Project 2)
Assignment 5 (Perl Project 2)

Review - Qc.edu
Review - Qc.edu

... anthropology. Subdisciplines of biological anthropology: primatology, paleoanthropology, bioarchaeology, paleopathology, human biology, ergonomics, forensics. 2. Theory of evolution as a scientific theory. Scientific method, testing a hypothesis. Charles Darwin & Alfred Russel Wallace. Natural selec ...
Protein Synthesis (B7)
Protein Synthesis (B7)

... all help in the protein synthesis • messenger RNA (mRNA) – carries transcribed message from DNA to ribosome (nucleus to cytoplasm) ...
Chapter 10 - Mantachie High School
Chapter 10 - Mantachie High School

... **Although the instructions for making a protein are copied from DNA into mRNA, all three types of RNA are involved in the synthesis of proteins. After transcription, mRNA moves through the pores of the nuclear membrane into the cytosol of the cell, where it will direct the synthesis of proteins. Pr ...
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RNA silencing

RNA silencing (associated with the concept of post-transcriptional gene silencing or RNA interference) refers to a family of gene silencing effects by which the expression of one or more genes is downregulated or entirely suppressed by non-coding RNAs, particularly small RNAs. It may also refer to the introduction of a synthetic antisense RNA molecule used in scientific experiments on gene expression. RNA silencing may also be defined as sequence-specific regulation of gene expression triggered by double-stranded RNA (dsRNA). RNA silencing mechanisms are highly conserved in most eukaryotes. The most common and well-studied example is RNA interference (RNAi), in which endogenously expressed microRNA (miRNA) or exogenously derived small interfering RNA (siRNA) induces the degradation of complementary messenger RNA. Other classes of small RNA have been identified, including piwi-interacting RNA (piRNA) and its subspecies repeat associated small interfering RNA (rasiRNA).
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