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N4 Biology - 1.1-1.5

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  • where does the substrate join onto the enzyme
    active site
  • What is cell division?
    When a cell makes a copy of itself. This results in two identical daughter cells.
  • what do biological detergents contain
    enzymes
  • what base does guanine pair with
    cytosine
  • what is insulin
    is used to treat diabetics and is produced by a technique called genetic modification.
  • What type of reaction are enzymes involved in?
    Build up and breakdown
  • what is the substrate of catalase
    hydrogen peroxide
  • What is it called when cells divide uncontrollably?
    cancer
  • What is shape of DNA
    double helix
  • what type of detergents is there
    biological and non-biological
  • is yeast single cell or multicellular
    single cell
  • what are the names of the 4 bases of DNA
    Adenine Thymine Guanin and Cytosine
  • Where are chromosomes found?
    nucleus of a cell
  • What are chromosomes made of?
    DNA
  • What are enzymes?
    biological catalysts
  • what causes cancer
    uncontrolled cell division
  • Number of chromosomes in humans
    46 chromosomes
  • What are enzymes used for in biotechnology industries?
    bread and laundry detergents
    wine
    Making cheese
  • What can stem cells be used for?
    Treat diseases and grow replacement organs
  • what is genetic engineering
    changing of the DNA sequence to alter protein synthesis
  • what is the substrate of phosphorylase
    glucose
  • what are enzymes
    speed up chemical reactions
  • What are micro-organisms?
    Tiny cells which are very useful because of their properties
  • What does a biological catalyst do?
    speeds up a reaction without getting changed in the process
  • Shape of DNA
    double helix
  • what does DNA stand for
    deoxribonucleic acid
  • what is a plasmid
    ring of DNA found in bacteria cells
  • what is a microorganism
    a small living thing
  • what is catalase
    an enzyme
  • People with diabetes cant produce what
    insulin
  • how many pairs of chromosomes are within each cell
    23 pairs
  • what is a gene
    a section of dna that codes for a protein
  • what effect does cell division have on the number of cells in the body
    increases the number of cells
  • what does the nucleus do
    control cell activites
  • what disorder can you get from missing a particular chromosome
    cri du chat
  • what is a Multicellular cell
    Made up of more than one cell.
  • what is special about the human liver
    it can regenerate itself after damage
  • What food can we use bacteria to make
    yogurt and cheese
  • what are chromosomes
    they are structures which contain the genetic code from both parents
  • what is a Unicellular cell
    Made of a single cell
  • Where are genes found?
    chromosomes in the nucleus
  • what are Stem Cells
    Can divide and also can change into any of the specialist cells
  • What do genes do?
    Carry the instructions to make proteins
  • What is cell division used for?
    growth and repair
  • 3 types of microbes
    bacteria virus and fungi
  • Where is DNA passed on from
    parents
  • Where are chromosomes found
    nucleus
  • What are the properties of micro organisms
    1) They divide and grow very quickly. 2) They use a wide range of food sources 3) They produce a wide range of products
  • what base does thymine match with
    Adenine
  • what is the term to describe an enzyme being _______ to its substrate
    specific
  • what is do the bases of DNA attach to
    backbone
  • what is DNA profiling
    Is a technique used by forensic scientists to assist in the identification of individuals