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Earthworms are aerobic organisms that require oxygen to carry out cellular respiration in order to make ATP. They absorb oxygen from the surrounding soil across their moist skin, which means that the rate of oxygen absorption depends on their surface area. Almost all of the cells in their bodies consume oxygen in cellular respiration, which mean that the rate of oxygen consumption depends on their mass, which is directly proportional to their volume.
The surface area of an earthworm is 24.12 cm^(2)The volume of an earthworm is 3.86 cm^(3)
Oxygen consumption of the body = .98 micromoles O2/g hOxygen absorption across the skin = .24 micromole O2/cm^(2) h
Calculate the total oxygen absorption and total oxygen consumption?
A soybean mutant exhibiting tan colored seed coat was recently recognized. Crossing the mutant with wild-type,yellow-seeded soybean plant gave all yellow seeded soybeans in the first generation.
There is still no money, and besides, it is already 2012. The forester wants to know if he can reliably use the 2000 data to predict what the stand volumes were in 2010. The data below represent forest stands that were measured in both 2010 & 2000..
The cuckolded only benefits at the expense of cuckolded perhaps benefits are washed away by loss of paternity in his own nest.
Pathways that have an overall energy requirement are referred to as.
When chromatin from any eukaryote is digested with micrococcal nuclease and fractionated using electrophoresis, DNA fragments of approximately two hundred base pairs in length are observed.
Review the feedback mechanisms that maintain homeostasis and what happens when these systems do not function appropriately. Give two specific examples for each.
A cell attempts mitosis with only one spindle pole, but is otherwise normal. Which of the following is true for this cell?
Gases move from areas of high (total) gas pressure to areas of low (total) gas pressure. Also, the pressure of a "canned" gas changes if the container volume changes.
Complete the table by writing down the genotype of the parents or parents involved in each cross. Utilize the letter P for purple and p for white. What are the genotypes of the parent plants.
The matrix used in experiment has a fractionation range 20000 to 5x10^6 Daltons. Would you see this matrix purify a plasmid that had a molecular weight.
You started with a stock solution and created a series of 4 solutions. Say the concentration of your stock solution is 350 g/L. What is the concentration of each of the solutions you created ?
Describe why heritablility only applies to population (not individuals or species), and how heritability can change without any genetic change occurring.
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