CVS can be used to detect a genetic disease from 8-12 weeks of pregnancy. Explain
why a couple may decide to not have the test.
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Test result may be inaccurate (1)
(increased) risk of miscarriage (due to the procedure)
(1)
false positive may lead to termination of healthy fetus
(1)
{ prenatal testing / abortion } against values or beliefs
of the parents (1)
Practical on membrane structure using beetroot: Step 5
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, Assess amount of pigment lost using colorimeter to
measure absorbance/transmission value of solution.
What is the problem with the Davson-Daneilli model?
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It does not allow hydrophilic phosphate heads to be in
contact with water or for any non-polar hydrophobic amino
acids on outside of membrane proteins to be kept away
from water. Also, it doesn't explain many of the known facts
about membranes.
What kind of bond joins two separate polynucleotide strands?
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H-bonds.
What are the components of an amino acid?
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, Central carbon atom bonded with an amine group, a
carboxylic acid group and a residual group.
Integral proteins
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A protein molecule or protein assembly permanently
attached in biological membrane.
Primary structure
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The sequence of amino acids in a polypeptide chain.
Fibrillin-1 is involved in the formation of elastic fibres in blood vessel walls. Explain
how Marfan syndrome affects the structure and function of an artery.
why a couple may decide to not have the test.
Give this one a try later!
Test result may be inaccurate (1)
(increased) risk of miscarriage (due to the procedure)
(1)
false positive may lead to termination of healthy fetus
(1)
{ prenatal testing / abortion } against values or beliefs
of the parents (1)
Practical on membrane structure using beetroot: Step 5
Give this one a try later!
, Assess amount of pigment lost using colorimeter to
measure absorbance/transmission value of solution.
What is the problem with the Davson-Daneilli model?
Give this one a try later!
It does not allow hydrophilic phosphate heads to be in
contact with water or for any non-polar hydrophobic amino
acids on outside of membrane proteins to be kept away
from water. Also, it doesn't explain many of the known facts
about membranes.
What kind of bond joins two separate polynucleotide strands?
Give this one a try later!
H-bonds.
What are the components of an amino acid?
Give this one a try later!
, Central carbon atom bonded with an amine group, a
carboxylic acid group and a residual group.
Integral proteins
Give this one a try later!
A protein molecule or protein assembly permanently
attached in biological membrane.
Primary structure
Give this one a try later!
The sequence of amino acids in a polypeptide chain.
Fibrillin-1 is involved in the formation of elastic fibres in blood vessel walls. Explain
how Marfan syndrome affects the structure and function of an artery.
