2022-2023 BIOD210 Biology Final Exam With Answers (23 Solved Questions)

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BIOD 210 Genetics Final Exam-2022-2023●DueNo due date●Points140●Questions23●Time Limit90 Minutes●Requires Respondus LockDown BrowserAttempt HistoryAttemptTimeScoreLATESTAttempt 151 minutes140 **Some questions not yet gradedScore for this quiz:25out of 140 *Submitted Apr 16 at 4:31pmThis attempt took 51 minutes.Question 1Notyetgraded/5pts

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List two organs contained in the abdominal cavity.Your Answer:the stomach and the spleenThe abdominal cavity contains the stomach, intestines, spleen and liverTrue or False?a.The purpose of cellular respiration is to produce ADP. (T or F)b.Peripheral proteins are found on the outer surface of a cell membrane. (T or F)Question 2Notyetgraded/5pts

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c.Exocytosis is the process that occurs to bring biomacromolecules inside the cell. (T orF)d.Receptor-mediated endocytosis uses a signaling molecule from another cell, bindingto the cell membrane to bring about changes within the cell proteins. (T or F)e.Endocytosis is a passive process. It does not require cellular energy expenditure.(Tor F)Your Answer:a.False. ATPb.Truec.Falsed.Truee.False

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a. False- (ATP is produced, not ADP)b. Truec. False- (This process is called endocytosis)d. Truee. False- (Endocytosis is an active process and requires cellular energy)Note: Essay answers must clearly be in your own words.In your own words, discuss Tay-Sachs disease. What organelle within the cell isimpacted? What are the symptoms of the disease and why do they occur?Your Answer:Tay-Sachs occurs when a digestive enzyme in lysosomes is missing. Since theQuestion 3Notyetgraded/5pts

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digestive enzyme is missing, toxic lipids build up inside the cell which can lead to mentaldisability and death.(1)Lysosomes(2)buildup of toxic lipids inside the cell (biomacromolecules)(3)disability and deathIn the genetic disease known as Tay-Sachs, one of the normally presentdigestive enzymes inside lysosomes is lacking. Thus, a toxic lipid in thebrain cells cannot be broken down. The resulting buildup of lipids inthese cells can cause intellectual disability and death.Note: Essay answers must clearly be in your own words.You are observing two cells under the microscope. They are the same type ofeukaryotic cell but one appears much larger. Based on appearance alone, which onewould you expect to be carrying out respiration at a more active rate, the larger orsmaller cell? Explain why.Question 4Notyetgraded/5pts

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Your Answer:The smaller cell because as a cell grows larger the ratio of the surface area to volumedecreases. The smaller cell is able carry out respiration faster because relative to thelarger cell it has a larger surface area compared to its volume and can carry outrespiration faster.The smaller cell. Cells need to remain relatively small because as a cellexpands the amount of surface area relative to the volume of the celldecreases. The smaller cell is more active because relative to its volume,its surface area is larger than a bigger cell. With a larger surface area(relative to its volume) this allows the metabolic processes to occurfaster.Note: Essay answers must clearly be in your own words.Explain what happens to the soft palate during swallowing. Why?Your Answer:During swallowing the soft palate moves upward to prevent food and liquid fromentering the nasal passages.Question 5Notyetgraded/5pts

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The upward movement of the soft palate prevents food or liquid fromentering the nasal passages during swallowing.Air and food pass in which one of the following areas:TracheaNasopharynxOropharynxAlveoliLabel the following five items from the diagram:Question 63/3ptsQuestion 7Notyetgraded/10pts

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Label A-Label C-Label E-Label F-

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Label H-Your Answer:Label A- Nasal CavityLabel C- Soft PalateLabel E- GlottisLabel F- tracheaLabel H- TongueLabel A- Nasal CavityLabel C- Soft Palate/ UvulaLabel E- GlottisLabel F- TracheaLabel H- TongueQuestion 8

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