Control and Coordination
what is the enzyme that embedded on the post synaptic neuron that breaks down Ach
acetylcholinesterase
what are the stages of aerobic respiration that takes places in the mitochondria
Link reaction,Krebs cycle and oxidative phsphorylation
what is the name of a group of cells in the pancreas which secrete glucagon and insulin
islet of Langerhans
what is the genetic basis of discontinuous variation
different alleles at a single gene locus have large effect on the phenotype
what is bateriophage
a type of virus that infects bacteria
how long is a typical node of Ranvier
2-3 micormeter
what are the RQ values for carbohydrate,lipid and protein
1.0, 0.7, 0.9
what are the two nitogenous excretory product other than Urea in human
creatinine and Uric acid
what is the term used to describe a number of different genes at different loci that all contribute to a particular aspect of phenotype
polygenes
what are the 3 stages of polymerase chain reaction
denaturartion,annealing and extension
what is the name of the principle auxin
IAA
what is the colour change when DCPIP is reduced
blue to colourless
what is the name of the enzyme activated by protein kinase A when glucagon bind to receptor on the cell surface membrane
phosphorylase kinase
what are the genetic basis of continuous variation
1. different alleles at a single gene locus have small effect on the phenotype
2.different genes have the same, often additive effect on the phenotype
3. a large number of genes have a combined effect on a particular phenotypic trait
what are the temperatures required in the 3 stages of polymerase chain reaction
95,60,72
How fast is the action potential travelling in myelinated mammal neuron
100m/s
How many ATP are made in oxidative phosphorylation per glucose molecule
28
what is the name of the hormone other than glucagon that has the effect of increasing blood glucose concentration
adrenaline
what is genetic drift?
the gradual change in the allele frequency in a small population,resulting from some alleles are favoured or lost just by chance, not by natural selection
what is gene therapy
treatment of a genetic disorder by inserting genetically corrected cells into the body
what is the name of a swelling of a spinal nerve
ganglion
what is CoA made of
nucleoside(adenine plus ribose) and vitamin(vitamin B5)
what is the name of the ion formed when starch is broken down in response to increasing light intensity and low carbon dioxide concentration
Malate ion
when can we not apply Hardy-Weinberg principle
1.the population is small
2.there is a significant selection pressure against certain genotype
3.migration of individuals,bring one of the 2 alleles into our out of the population
4. non-random mating
what is Crispr
a group of base sequence that code for short length of RNA that direct a nuclease enzyme known as Cas9 towards specific base sequence