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An interesting tidbit floating around the internet these days is that Dr. Duncan MacDougall apparently weighed people shortly before and after death, and found an average of a 21 gram discrepancy, t
Which cell types are the largest? the smallest? what would be the advantage of a smaller cell? (fibroblast,Macrophage,keratinocytes, lymphocytes).
Slow worms are considered lizards as opposed to snakes, both are reptiles. Now I get that there are traits that distinguish them (eye lids, ears ...). But snake species themselves vary already quite
Calculate the maximum rate of translation by a ribosome in a bacterial cell, provided in units of amino acids per second, so that the ribosome doesn't overtake an RNA polymerase that is transcribing
Natural selection is a central tenet of evolution. However, most biologists seem determined to prevent the extinction of the species that have been selected against.
The Kidd blood group in primates is inherited as a single gene with two codominant alleles (Jka and Jkb). We would like to verify that this locus actually follows simple Mendelian inheritance with c
Polydactyly (the presence of extra fingers and/or toes) is due to the presence of a dominant allele "P". The students in Tucker dorm at NC State were surveyed for polydactyly. 117 students were foun
Are alcohol soluble in water, and to what extent?
Starting a new project on protein-protein interactions and SNP analysis tool development.
It has recently been brought to my attention that live laboratory mice with specific cancer strains can be readily purchased for medical research. For example, the Jackson Laboratory sells mice with
What can be seen on the screen when stress echocardiography (a pair of heart ultrasounds before and after exercise) suggests ischemia?
When a neurone fires, it sends an electrical signal that jumps down the axon via the nodes of Ranvier very rapidly. At a synaptic junction, chemical brownian diffusion signalling with receptor surfa
My take of this over having fully-complementary adapters (ADAPTER1 - - - - - ADAPTER1) is that:-Upon primer annealing, the primer in turn would bind to the start AND end of the DNA fragment, and thu
Why is carbon so prevalent in biological molecules such as lipids
I don't work at the wet lab and don't know all the details about the knockdown techniques.
In both circumstances you are applying pressure to the nerves except one is a foreign object touching the nerve and the other is the nerve's natural surroundings in your body.
For further investigation into the progress of the blood pressure, we will measure a patient's blood pressure in the superior vena cava measured during inhalation and during an exhalation. His heart
In tomatoes, two alleles of one locus determine the character difference of purple versus green stems (alleles are P and p with P being completely dominant and coding for purple stems) and two allel
In aliens, a glossy exoskeleton (G) is dominant to a dull exoskeleton (g).Also, excessive drooling (D) is dominant to no drooling (d).
What have marine biologists discovered on the ocean floor that allows for warm temperatures?
What source of energy was available at the earth's surface
What color were the sky and the ocean What color were the sky and the ocean
why are blue-green algae a misnomer? What is a benefit to a green pigmentation?
What have marine biologists discovered on the ocean floor that allows for warm temperatures
What was available for early life on the earth's surface that was not available in the other areas explored ?