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1. A plant is growing in the middle of a patch of bare dirt; there are no other plants within 20 meters except for one other plant one meter away. This second plant has a straight stem and is 3 meters tall. The first plant sends out a shoot along the ground directly towards the tall plant. When it reaches the tall plant%u2019s stem it grows up the stem by winding around and around it. How did the shoot know to grow straight to the other plant? How did it know when it got to the other plant?
2. What would happen to urine output of a rabbit if the cells of the tunica media of all glomerular afferent arterioles were totally inactivated? The afferent arteriole is the one leading into the kidney glomerulus. Concern yourself only with what happens before the rabbit dies of renal failure.
Write a hypothesis for each question, and clearly describe each process using key vocabulary words that relate to each question. Points will be given to the most accurate and descriptive responses.
A cross was performed between two black mice who are known to be heterozygous for that coat color trait. They produce 23 offspring in the first generation. Seventeen black and six white.
Discuss the advantage of having species-specific receptors on the plasma membrane of the egg?
If you continue adding drops of bromine to each, eventually lipids change color. For our experiment it took 14 for lard, 23 for olive oil, and 35 for corn oil. Yet, the iodine numbers for each were 59, 81, 123 respectively. Would you consider the ..
Think about a simple spherical model cell that consists of cytoplasm and a plasma membrane.
Suppose that the equilibrium potential for sodium ion across a skeletal muscle is +66 mv at a temperature of 37 degree celcius when the external concentration is 145 mM
A geneticist crosses a plant with blue flowers to a plant with white flowers. The offspring include plants with dark blue flowers (1/4), light blue flowers (1/2),
Diagnosis of CML can be done using a Southern blot to detect the junction fragment. In early stages of CML most patients are heterozygous for the genome rearrangement,
Based on human logic, if a parasite kills its host it is also harming itself. Tapeworms then appear to be perfect parasites because they cause very few symptoms in the host.
You wish to fuse a cDNA sequence to the end of two tandem"HA" antibody epitope tags within the MCS-HAHA region of the vector given below.
Explain a single procedure that could be used to isolate the Con A Receptor from this preparation. Propose two ways the photosynthesis process could be improved to fix more CO2 than normal and the plant productivity can be increased. Be specific abou..
The ph of mitochondria matrix is 8.2 while the ph of intermembrane is 7.2. Determine the voltage potential across the mitochondrial membrane which would prevent hydrogen ions from flowing into matrix?
On an autosome, genes A and B are twenty map units apart. An AABB male mates with an aabb female. What % of the gametes produced by their hybrid offspring will be Ab?
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