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Q1. 1. Every time Spike went to a boxing match, he wanted to see a knockout. Finally his friend explained what happens when someone gets knocked out. What is the explanation? What may be the repercussions?
2. Explain how hypothalamus of the brain and the autonomic nervous system allow us to fight or flee in a stressful situation.
3. What are the differences between myelinated and unmyelinated axons? Which conducts axon potentials (nerve impulses) more rapidly? Why give reasons?
Q2. In the tide pool, a student encounters an organism with a hard outer covering that contains much calcium carbonate, an open circulatory system, and gills. The organism may well potentially be a crab, a shrimp, a barnacle, or a bivalve. The presence of which structures would allow for the most certain identification of the organism?
The replication cycles of bacteriophages and animal viruses have many similarities. Discuss similarities and differences of the characteristics of prophages vs proviruses.
The templete strand of a given gene include the sequences 3'- GCCACGTATCAG-5'. (A) What is the sequence of the non- templete strand. (B) What is the mRNA sequence made? For each one be sure to indicate 5' and 3' ends.
Explain, in general terms, the role of RNA in gene expression. Why is RNA useful to a cell? What is the benefit of using RNA instead of just directly producing protein from the instructions in DNA?
Explain the causes, symptoms, effects of the bulimia and anorexia. Describe the mechanism of their reversible effects. Determine the net change of the Gibbs free energy for a DNA machine.
Use living organisms to control pests are often used in many nations. What factors must be taken into account in using fungi to combat agricultural pests?
Illustrate the structures of the sun including the interior, surface and atmosphere and what type of science is done to come to these conclusions. How does the structure of the sun compare to structure of the earth.
PCR is touted as a highly specific process to amplify specific fragments of DNA. How can such a technique be adapted to identify a blood smear as belonging to a specific individual and also distinguishing between a brother and a sister who are twi..
While walking throughout a forest you notice that someone has carved his or her initials into the bark of a tree. The initials are exactly 1.5 meters from the ground. How far from grounds will the initials be next year and the year after that? Why? E..
What term is used to describe the expression of alleles when some aspect of both alleles are expressed in a heterozygous offspring.
Present a conflict situation from your own human service work that involves any number of parties, including yourself (you must be a part of the conflict/dilemma), the client, the family, the agency, the board, the funding agency, etc.
The lycophytes, sphenophytes, and ferns were once the giants of the plant kingdom and dominated the landscape. Explain why they are presently restricted to certain habitats and are relatively small in stature.
Was the physician correct in saying that bacteria can share resistance and if the infant was given an antibiotic as a precaution, how might it contribute to the production of resistant bacteria?
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