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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.
Represent graphically the relation between melting temperature and the G-C content of DNA. Construct relations for dependence of melting temperature of a 30 bp DNA duplex on the G-C content.
Three genes in the soybean plant, Glycine max, are being studied for their linkage relationship. The genes are as given:
Suppose that a typical stomach pH of 2.0, how many times more concentrated are the hydrogen ions inside your stomach than in milk?
If succinate is used as the electron donor in oxidative phosphorylation, how many ATPs should be generated for each pair of electrons donated by succinate. explain What does UNCOUPLING mean.
Explain why is agar typically used as a solidifying agent in microbiological media instead of gelatin? What could happen if gelatin was used?
Biological recognition is significant in many processes explain how the process of recognition occurs while an organism recognizes other members of their own species.
A friend claims that the faster you read, more you remember. Use your information of effortful processing and effective encoding strategies to refute your friend's claim.
A molecular level description means that you must explain the structure of water and how that structure leads to the observation made- in this case that water beads on waxes.
Explain the study of hypothesis? Specify the outcome variables and also state how they were measured? Explain the study factors (exposures) and how were they measured?
A male Drosphila melangaster is genotypically e^+/e^-, where e (ebony) is an autosomal gene. Of the four gametes produced by a single meiosis.
Contained is a description of the signaling cascade that results from EGF stimulation of the Ras-MAPK pathway in cells.
Biochemistry-michaelis menten eqn problem
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