Determination is the process whereby a cell's eventual developmental fate is set
Indicate whether the statement is true or false
TRUE
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Match the following items with the correct phrases.
_______1. Testes _______2. Throat _______3. Brain _______4. Kidney _______5. Spinal cord A) Encephalitis B) Myelitis C) Nephritis D) Orchitis E) Pharyngitis
How did Bayliss and Starling demonstrate that the small intestine secretes chemical signals that stimulate the pancreas to respond to acid?
A. They injected acid into a dog's small intestine after dissecting away all the nerves. B. They exposed a dog's small intestine to a cell extract made from a second dog's small intestine that had been exposed to acid. C. They cut out a piece of the small intestine and exposed it to acid. D. They injected pancreatic secretions from a dog previously exposed to acid into the small intestine of a second dog. E. They injected acid into the pancreas after removing all of its innervation.
The process of moving water through a plant by transpiration works because water molecules stick to each other with
A. turgor pressure. B. osmosis. C. ionic bonds. D. adhesion. E. hydrogen bonds.
If it is still maintained in the human population, hemoglobin Lepore must be selected for in evolution
B) There should also be persons whose hemoglobin contains two copies of the series of amino acids that is deleted in hemoglobin Lepore. C) Each of the genes in the hemoglobin gene family must show the same deletion. D) The deleted gene must have undergone exon shuffling. E) The deleted region must be located in a different area of the individual's genome.