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Questions for Experiment 1: Mechanism of breathing in lungs:1. What happens to the lung (balloon)? Why?2. What causes a collapsed lung? (What would happen if the seal at the base of the bottle leaked?)3. Is a collapsed lung functional? Why or why not?4. A. How might your lung capacity differ from that of a professional athlete? Why? B. How might your lung capacity differ from that of an older person? Why?Questions for Experiment 2: Breathing measurements:1. A. Name all the muscles that are responsible for expanding the volume of the chest cavity during inspiration. B. Why does air rush into the lungs during inhalation? C. What causes air to be pushed out of the lungs during exhalation?
2. Research hyperventilation. A. What happens to the pH of the blood during hyperventilation? (Give the chemical reaction that causes this pH shift.) B. How did hyperventilating affect your breathing in this experiment?3. Why did your breathing rate increase after you ran in place?4. How does your body adapt to breathing rate and physical exercise? What do you think happens to blood flow?
Questions for Experiment 3: Observation of blood:
1. Describe the appearance and explain the function of each of the following blood components: A. erythrocyte (RBC) B. leukocyte (WBC) C. platelet2. What is the most prevalent cell type in blood? Explain why.3. Research and explain why carbon monoxide is poisonous.4. Research and explain the role of myoglobin in gas exchange in muscle cells.5. Research hemocyanin, the respiratory pigment in arthropods and some mollusks. Explain why this pigment causes their blood to be blue, rather than red as in mammals.
Explain why do plasma glucose concentrations start to decline after prolonged endurance exercise?
Think about the following two unlinked genes in the poisonous plant, Jimson Weed. The dominant allele V produces violet petals while the recessive allele v produces white petals.
Target identification can be technically challenging probably not as random as mutagenesis. What is essential for effective chemical genetics.
Cathy wishes to undergo maternal serum screening. She is also strongly opposed to abortion. A friends argues that she is inconsistent. Is her friend right?
If all other variables remain constant, when 2-action potentials enter synaptic terminal and produce pair of EPSPs in the muscle fiber, larger EPSP is produce by the secretion of:
Explain why is type O blood considered the universal donor? What would happen if a person who was a type B blood type was transfused with type A blood type and discuss the four main types of proteins found in blood plasma and what are their functions..
Two plants in a cross were each heterozygous for two gene pairs whose loci are linked and twenty-five mu apart. Assuming that crossing over occurs during formation of both male and female gametes
Utilize the words mesoglea, epidermis, gastrodermis, polyp, medusa, and gastrovascular cavity to describe the differences between the two forms of phylum cnidaria.
Explain specifically how irradiation using the following methods destroys microbes provides an examples(s) of materials that can be sterilized by each of the techniques below.
Assume if heritability of male tail length in a bird was known to be 0.5, and female birds impose a selection differential of five cm on male tail length because they are too much attracted to long tails.
A researcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (TMV). The cell contents are left in the covered test tube overnight. The next day this mixture is sprayed on tobacco plants. Which would be expecte..
How can altering ice nucleation protein production yield a bacterial strain useful to agriculture? Explain the logic and how this works.
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