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Q. A. An ecologist studying desert plants performed the following experiment. She staked out two identical plots that included a few sagebrush plants and numerous small annual wildflowers. She found the same five wildflower species in similar numbers in both plots. The she enclosed one of the plots with a fence to maintain kangaroo rats, the most common herbivores in the area. After two years, four species of wildflowers were no longer present in the fenced plot, but one wildflower species had increased dramatically. The unfenced control plot had not changed significantly in species composition. By means of the concepts discussed in the chapter, what do you think happened?
B. supposes that you have been chosen as the biologist for the design team implementing a self-contained space station to be assembled in orbit. It will be stocked with organisms you choose, creating an ecosystem that will support you and five other people for two years. Explain the main functions that you expect organisms to perform. List the types of organisms you would select, and explain why you chose them.
organ, tissuesystem and cell, you should be able to cite an example where increasing the s/v ratio has potentially increased the rate of exchange of materials
LMS is very rare human hereditary disorder resulting in spastic para paraplegia and mental retardation. LMS is caused by a recessive allele with Mendelian inheritance.
Combustion analysis of a 13.42 g sample of equilin which contains only carbon, hydrogen, and oxygen produced 39.61 g CO2 and 9.01 g H2O. The molar mass of equilin is 268.34 g/mol. Find the molecular formula for equilin.
Explain why it is acceptable to record positive test before the suggested incubation time is completed but it is not acceptable to record a negative result early.
Microfilaments and microtubules have similarities and differences in their structures and mechanisms of polymerization. Please list 3 similarities and 3 differences between these polymers. (One is composed of actin and the the other of tubulin sho..
In insulin mRNA, the protein coding sequence has 318 nucleotides. How many amino acids would be translated from this sequence? How many amino acids would be in the C peptide?
Describe, in full detail, the process of translation in a prokaryote, from the beginning up to and including the first translocation (movement) of the ribosome down the mRNA. DO NOT describe events after that point and DO NOT describe the attachme..
q1. the chances of having a child with a chromosomal abnormality increases as a womans age increases over 40 years old.
Which of these observations are testable.
antibody diversity is due to four of these five factors (a-e). which factor plays no role in the generation of antibody diversity?
Describe in detail how DNA is replicated including all forms of RNA needed and why complementary base pairing is important to the process.
List and express at least three prokaryotic cellular features that might be targeted in this way to inhibit or kill a bacterial pathogen.
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