B2 BIOLOGY : TOPIC 1 THE BUILDING BLOCKS OF CELLS

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Flashcards by mathilde_ndoye, updated more than 1 year ago
mathilde_ndoye
Created by mathilde_ndoye over 6 years ago
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Flashcards on B2 BIOLOGY : TOPIC 1 THE BUILDING BLOCKS OF CELLS , created by mathilde_ndoye on 11/12/2014.

Resource summary

Question Answer
WHAT DOES THE CELL MEMBRANE DO ? CONTROLS WHAT GOES IN AND OUT OF THE CELL
CYPTOPLASM CHEMICAL REACTIONS TAKE PLACE HERE
NUCLEUS DONT CALL IT THIS BUT THE BRAIN CONTROLS THE CELL
MITOCHONDRIA RESPIRATION
CELL WALL MADE OF CELLULOSE KEEPS THE CELLS SHAPE ( BIT LIKE TUMMY TUCK )
LARGE VACUOLE CONTAINS CELL SAP AND KEEPS CELL RIGID
CHLOROPLASTS ABSORB LIGHT
WHAT ABOUT CELLS AND SEEING … LIGHT MICROSCOPES ARE USED TO SEE CELLS IN DEPTH
BACTERIAL CELL HAS WHAT ? CELL WALL CELL MEMBRANE CHROMOSOMAL DNA PLASMID DNA FLAGELLUM
FLAGELLUM TAIL TO ALLOW BACTERIAL CELL TO MOVE
WHAT IS A GENE A SECTION OF DNA THAT CODES FOR A SPECIFIC PROTEIN
DNA ARE TWO STRANDS OF MOLECULE CALLED DOUBLE HELIX
WHAT ARE THE STRANDS LINKED BY COMPLIMENTARY BASE PAIRS
COMPLIMENTARY BASE PAIRS ARE JOINED BY WHAT WEAK HYDROGEN BONDS
LIST THE COMPLIMENTARY BASE PAIRS ADENINE & THYMINE CYTOSINE & GUAMINE
WHO DISCOVERED DNA FIRST ? WILKINS AND FRAKLIN
HOW DID WILKINS AND FRANKLIN DICOVER DNA USED XRAYS AND SHONE THEM AT PURIFIED DNA
HOW DID THEY RECORD THERE RESULTS PHOTOGRAPHED THE DNA
WHO DEVELOPED THE DNA DISCOVERY WATSON AND CRICK
WHAT DID THEY USE THE PHOTOS WITHOUT PERMISSION AND GOT THE
WHAT DID THE TWO PAIRS DISCOVER THEY DEVELOPED THE DOUBLE HELIX MODEL
WHAT IS THE HGP HUMAN GENOME PROJECT
WHAT DID IT WORK OUT THE ORDER OF THE BASES IN HUMAN CELLS A's T's G's C's
WHO WORKED ON IT AND HOW LONG DID IT TAKE 1000'S OF SCIENTISTS WORKED ON IT FOR 13 YEARS IN 18 COUNTRIES
WHAT DOES THIS MEAN / WHAT HAS IT HELPED TEST FOR GENETIC DISORDERS STUDY EVOLUTION PERSONALISE MEDICINES DEVELOP NEW TREATMENTS
WHAT DOES GENETIC ENGINEERING DO ? CREATE GENETICALLY MODIFIED ORGANISMS
WHAT DOES GENETIC ENGINEERING CREATE ---- GM GENETICALLY MODIFIED CELLS
A GENE IS __________________________________ CUT OF THE DNA
HOW IS IT CUT ? USING CUTTING ENZYMES
WHAT HAPPENS NEXT THE CUTTING ENZYMES THEN CUT OPEN A DNA PLASMID
THE GENE IS NOW PUT INTO THE PLASMID USING __________ STICKY ENZMES
THE PLASMID IS NOW PUT INTO AN _______O ORGANISM
WHAT HAS HAPPENED THE GENE HAS BEEN GENETICALLY MODIFIED
WHAT IS A CLONE ? AN ORGANISM THAT IS GENETICALLY TO THE PARENT CELL ORGANISM
LIST THE ADVANTAGES OF CLONING + GENETICALLY IDENTICAL CHARACTERISTICS + CLONE ANIMALS THAT HAVE BEEN GENETICALLY ENGINEERED
LIST THE DISSADVANTAGES OF CLONING - THE PROCESS IS VERY DIFFICULT AS YOU CANNOT JUST CLONE A ARM OR LEG -EXPENSIVE -VERY FEW EMBROYS DEVELOP SUCSESSFULY continue
MORE DISSADVANTAGES =MANY ATTEMPTS FOR IT TO WORK - POSIBBLE HELATH RICKS CAN OCCUR TO CLONED ANIMAL
STATE HOW TO CLONE !!!!! =THE DIPLOID NUCLUS IS TRANSFERED INTO THE ENUCLEATED EGG = THE CELL IS THEN STIMULATED BY AND ELECTRIC PULSE TO START MIOTIC DIVISION .... CONTUINE
CLONING CONTIFUED -THE EMBRYO THEN BEGINS TO GROW -THE EMBRYO IS IMPLANED INTO THE UTERUS OF THE SURROGATE MOTHER HERE IT DEVELOPS !!!
WHAT CAN A STEM CELL DO WHEN IT DIVIDES - PRODUCE MORE STEM CELLS - PRODUCE DIFFERECNIATED STEM CELL
WHAT IS WRONG WRONG WITH PRODUCING DIFFERENCIATEC STEM CELLS ONCE DIFFERENCIATED CANNOT TURN INTO DIFFERENT TYPE OF CELL
EMBRYONICE STEM CELLS CAN /...... DEVELOP INTO EVERY TYPE OF HUMAN CELL
LIST THE ADVANTAGES OF STEM CELLS + INJECTEING STEM CELLS CAN TREAT DISEASES ie - LUKEMIA + EMBRYONIC STEM CELLS CANNOT BE REJECTED + CELLS CAN BECOME ANY OTHER TYPE OF CELL MEANING BEING ABLE TO TREAT MORE DISEASES
LIST THE DISSADVANTAGES OF USING STEM CELLS - ADULT STEM CELLS CAN BE REJECTED = COULD BE USED ILLEGALY TO MAKE HUMAN CLONES -CLONED CELLS COULD TURN INTO CANCER CELLS
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