Protein Synthesis
Technology
Plants
Kidney
100
What is the relationship between proteins and polypeptides?
Proteins are one or more polypeptides twisted into a three dimensional shape, resulting in a protein.
100
What is ABG and what condition is it used under.
Arterial blood gas analysis - take blood for an artery and use a computer to test different levels of gases present in blood. oxygen, carbon dioxide, bicarbonate ions and even pH Condition - lung disorders e.g. cystic fibrosis
100
A plant response to temperature change
evaporative cooling, stomates will open , lose water to cool. leaf fall reseeding and re sprouting - extreme heat (fire)
100
Structural unit of the kidney
Nephron
200
Steps in protein synthesis.
DNA --> mRNA --> tRNA --> amino acids --> polypeptides --> proteins or unzips --> transcription -->translation --> amino acid join to form polypeptide
200
What is a pulse oximeter and what condition is it used under.
pulse oximeter - measure blood oxygen levels from a monitor on the finger of earlobe used for breathing related illness e.g. asthma
200
Explain the Current theory of movement in xylem
transpiration stream cohesion (to each other), adhesion (to the wall), tension (suction pull)
200
Urine results from what 3 processes?
Filtration Re absorption Secreation
300
Where do you find codons and anti codons?
condons - mRNA anti codons - tRNA
300
These 2 types of technology is used to provide evidence ofr evolution.
DNA hybridisation and amino acid sequencing
300
Explain the current theory of transport in the phloem
Source to Sink sugar produced in leaf - source - active transport - osmotic pressure - to stems and roots - sink
300
Draw and label the parts of the kidney and nephron and the orientation of the nephron in the kidney.
Kidney - cortex, medulla, renal pelvis, renal artery and vein nephron - bowmans capsule, glomerulus, proximal tubule, loop of Henle, distal tubule, collecting duct loop in medulla
400
Describe how you modeled protein synthesis
nucleus DNA/ mRNA ribosome tRNA amino acid
400
Wilkens used this to provide an image of DNA
X-ray crystallography
400
Draw xylem and phloem
What is xylem - lignin phloem - sieve plates, companion cells
400
Passive and active transport in the kidney - give examples
passive primarily water active transport - sodium ions, glucose (all), amino acids (all) and hydrogen ions
500
Explain how mutations in DNA may lead to the generation of new alleles.
Mutations alter genes by changing the nucleotide sequence in DNA. As a result one or more genes may be affected. If a gene is altered from the original form the two variations of the gene are termed alleles of that gene.
500
the method of Somatic cell nuclear transfer results in ____. Give an example of an animal produced this way.
clones. Dolly the sheep
500
processes used for Salt regulation in plants and an example of some plants
accumulate - succulants - add water to dilute exclude - salt bush (bladder cell - then excrete) tolerate - mangroves, pig face
500
Describe renal dialysis
Blood is pumped from the patient into a machine full of coiled tubes which have artificial semi permeable membranes The tubes are submerged in dialysis fluid. This fluid has the same composition as blood plasma (without the waste) and therefore waste will move from the persons blood into the dialysis fluid by diffusion.
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