Keywords: Gene, chromosomes, undifferentiated plasmid, base pairs,
B2 Topic 1 The Components of Life
This topic looks at:
• DNA in detail and how cells divide
• Genetic Issues
• Enzymes and conditions affecting them
Organisms have adapted to live in extreme environments, what are two
examples of these?
1.
2.
Draw, label and describe the function of the following cells:
Animal Cell
Plant Cell
What uses are there for genetic engineering?
Bacteria Cell
Use diagrams to show the stages in genetic engineering
STEM CELLS
What is the human genome project?
What are stem cells, how can they
be used and where do we find
them?
What are the 4 bases in DNA and
how do they pair up?
Keywords: hydrogen bonds,
Keywords: enculeated, daughter cell, parent cell, biological
B2 Topic 1 The Components of Life
This topic looks at:
• DNA in detail and how cells divide
• Genetic Issues
• Enzymes and conditions affecting them
CELL DIVISION There are 2 types of cell division. Draw the stages in each
one and state where they occur in the body
MITOSIS
CLONING Use diagrams with explanations to show how cloning occurs.
MEIOSIS
What are enzymes?
What is a catalyst?
Where are enzymes found?
What 3 things affect how an enzyme works?
Keywords: genetically identical, body cells, haploid, diploid
Sketch a graph to show how the 3 factors mentioned earlier affect how an
enzyme works.
1.
2.
3.
Keywords: Gene, chromosomes, undifferentiated plasmid, base pairs,
B2 Topic 1 The Components of Life
This topic looks at:
• DNA in detail and how cells divide
• Genetic Issues
• Enzymes and conditions affecting them
Protein Synthesis
Describe what transcription and translation are use diagrams to aid you. Use the
following key words
Which base pairs match up in DNA?
Protein Synthesis
From the single strand of DNA, follow the steps to work out the sequence of amino
acids… DON’T FORGET THAT mRNA HAS A ‘U’ INSTEAD OF ‘T’.
1. DNA=
AATGGCTTGACTCTA
mRNA =
____________________________
tRNA triplets:
______ ______ ______ ______ ______
Order of
amino
acids:
_____ ______ ______ ______ ______
2. DNA=
TGGCTAGTAAAGCTT
mRNA =
____________________________
tRNA triplets:
______ ______ ______ ______ ______
Order of
amino
acids:
_____ ______ ______ ______ ______
How many base pairs make up an amino acid?
How many amino acids are there?
Keywords: hydrogen bonds,