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What would be needed to give an exact molecular weight for phosphatidyl choline and sphingomyelin ? What is the trigger for DNA to produce proteins or RNA?
Can the lipid-soluble hormones (like steroid hormones) go inside every cell, as their particular receptors are located in the cytoplasm or nucleus of the target cells?
Has it ever been reported that the CI or Mnt repressor exhibit crosstalk on the pR and Pmnt promoters?
In cancer cells, the cancer cell have produce some unknown protein, so why antibody cannot detect that molecule and kill them?
What are the biological mechanisms that cause leaves of deciduous plants to change colour? What happens to the chlorophyll?
What difference would you expect between E. Coli and H. Sapiens in terms of the number of genes in each genome that are devoted to membrane transporters?
What distinguishes DNA as a hallmark of programmed cell death, versus one of necrosis?
I have seen a paper in which deuterated water was used to follow dividing cells. The assumption was that deuterated water will be incorporated into newly synthesized DNA molecules.
Which of the four solutions is the best buffer against additions of acid or base?
But when an animal gives birth, it is usually seen as a moment where you give the female its space and let the birth occur naturally and without any assistance.
An American is staying in my house for the summer and claims that food (specifically, bread and milk) spoils a lot faster here than at home in California.
What is the molecular weight (in Daltons) of Chromosome 1 and Crumbs3? Is it possible to transplant a brain and would it keep the memory? If not, what would be the prerequisite to transplant one?
What would be the maximum amount of calories above which it is just a waste (or even harmful). How much does the metabolism raise during the illness?
Describe the types of phenomena present in different neural circuits. Describe the phenomena of long-term potentiation and depression. Why are the Bradford and Lowry methods only estimates of protein
The recent news about a new supermassive virus being discovered got me thinking. What biological differences between viruses and cellular organisms have made viruses be deemed non-living?
Describe the types of postsynaptic responses. Describe how neurotransmitter activity can be terminated.
What are the characteristics of action potentials? Compare and contrast the neurocrines and neuromodulators released by the central vs. peripheral nervous system. Describe the types of cholinergic, ad
What are the different types of gating mechanisms for ion channels? Why do graded ion potentials lose strength over distance? Describe the function of a triggering center in a neuron.
When we see something, how and where in the brain do we remember it and are able to recognize it later? What happens in the brain that makes this possible?
Is there anything biological/chemical which makes us unique or different than other lifeforms on Earth? Something which can be used against us?
In aliens, a glossy exoskeleton (G) is dominant to a dull exoskeleton (g).Also, excessive drooling (D) is dominant to no drooling (d). An alien drone (male) with a glossy exoskeleton and excessive d
How is allopatric speciation different from sympatric speciation? Give an example of allopatric speciation. What evidence is there to support this being an example of allopatric speciation?
What is inbreeding depression? What causes inbreeding depression?
What is adaptation? Explain why strong selection will not always lead to adaptation.
What is the disadvantage of sexual reproduction in eukaryotes? Parasites are thought to be one of the reasons why sexual reproduction is maintained. Explain why.