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There is apparently a whole bunch of modifications that can be found in prokaryotic and eukaryotic genomes, but I would like to know which ones have been found relevant in vertebrate/mammalian genom
I would like to compare the proliferation limit of Embryonic Stem cells (ES) and fibroblasts (which would be trans-differentiated) and describe how this difference plays a role when thinking about e
Hard water is water with high mineral/salt content. I'm told that a potted plant watered with a salt solution dries out sooner or later
A reflex is an unconscious action in response to some specific stimulus, e.g., blinking an eye, or pulling the hand away from a hot pinI know from school biology, and reading online that withdrawal
I've read a little about hybrid animals, and have been amazed by the fact that the gender of the parent species determines the species of the offspring, in some hybrids. A male horse and a female do
I understand that a behavioral tendency for stress acquired through evolutionary time can be transmitted from parent to child, but I'm wondering whether a trait not present before can be transmitted
I have been wondering for some time whether several drugs really have an expiration date.Let's narrow the scope and think about only "common" drugs, e.g. NSAIDs, antibiotics etc.
Since the new queens-to-be have wings, it means that ants either evolved from insects that can fly, or insects that can fly evolved fromants, or that we have a case of parallel evolution (which is u
A squirrel injected with the body fluids of a hibernating fellow is more prone to hibernation. If hibernation/aestivation are driven by biochemical's and not merely the weather, can the process be i
Does a female animal that lays eggs experience a pregnancy-like period of time, where she will feel and behave differently as if she were fertilized and her body is prepared to lay a fertile egg, no
Question: What's the effect of oxygen deficit on plants? ; And wondered whether the opposite would have any effect on a plant.That is to say, if a potted plant were placed under a bell-jar and the ai
One argument often given in favor of saving current and planting additional plants/saplings is the roots hold soil together and prevent soil erosion.
I'm interested in learning more about the biological systems or hormones or parts of the brain that affect short term (<15 minutes) ability to concentrate attention on the task and be aware of th
I've heard time and again that living in São Paulo (a large city in Brazil) takes 1.5 years from your life expectancy. The allegation is that this happens because of air pollution.
Say a sophiscated scientist in the 19th century noted that applying soy sauce on a dead octopus leads to movement of the legs, as a result of the voltage differences resulting from the salt in the s
I'm reading about how synaptobrevin is used to identify synaptic vesicles for tethering near the synaptic cleft. Since neurons have a synapse and dendrites, I'd like to know how exactly the vesicles
I've been thinking about the development of an embryo from the zygote stage.
I know it is usually stated as the threonine residue near the N-terminus of either light harvesting complex (lhc) b1 or lhcb2, but if this is somehow lost, say in a mutant, is the system flexible en
Recently we have started suspecting that one of our children has hypolactasia (lactose intolerance), and so accordingly I have had my first exposure to lactose-free dairy- and dairy-like products. I
I can't remember the reference but a PLCb3 null mice lost the itch phenotype, so presumably it is mediated by the Gq-PLCbeta pathway through a cell surface GPCR. Since a physical action of scratchin
A 10 year old child does not have the intellectual power to accurately calculate the energy required to throw a ball an arbitrary distance. Yet they are able to accurately throw a ball at a distinct
For some species the Darwin's theory evolution makes perfect sense. I can easily imagine how, for example, the giraffe has evolved to its current appearance: the natural selection was favoring indiv
Question: Is there something encoded within us that makes us attracted to, e.g., someone taller or shorter with blonde or brunette hair with green or blue eyes?
Question: What length are the shortest strings of DNA not present in any known person's genome, and what are they?
Question 1: Discuss the primary condition that stimulates a beta cell to secrete insulin as well as other possible potentiating factors (including the in cretin effect)