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Final Exam - Requires Respondus
LockDown Browser + Webcam
- Due No due date
- Points 120
- Questions 30
- Time Limit 90 Minutes
- Requires Respondus LockDown Browser
Instructions
The Final Exam is composed of questions based upon material presented in the entire course. It will assess your level of mastery of the course content and goals. The format of the exam is similar to past module exams. You are about to begin a timed exam. Please make sure you are in a suitable, quiet place, free from distraction.
Attempt History
Attempt Time Score LATEST Attempt 1 90 minutes 24 out of 120 *
* Some questions not yet graded
Score for this quiz: 24 out of 120 * Submitted Oct 9 at 2:26am This attempt took 90 minutes. Question 1 Not yet graded / 4 pts True or False; If false, make the statement true: Prokaryotic cells are more complex than eukaryotic cells. Your Answer: False; Prokaryotic cells are less complex than eukaryotic cells. Answer: False; Prokaryotic cells are less complex than eukaryotic cells. OR Eukaryotic cells are more complex than prokaryotic cells.
Question 2 Not yet graded / 4 pts ________ reproduction gives rise to new offspring from a(n) _______ organism. Your Answer: Asexual; single Answer: Asexual; single Question 3 Not yet graded / 4 pts Where does glycolysis occur in the cell? Your Answer: Cytoplasm Answer: Cytoplasm Question 4 4 / 4 pts Multiple Choice: What term describes the arrangement of DNA strands? Parallel Perpendicular Compliment Correct! Antiparallel
Answer: Matter is anything that takes up space, by having a volume, and has mass. Matter can exist in a solid, liquid or gaseous (vapor) state. All matter is made up of certain basic substances called elements. Question 8 Not yet graded / 4 pts In the Linnaean classification system, the largest and broadest category, which encompasses all the other taxa, is the ______. Your Answer: Taxon Answer: domain Question 9 0 / 4 pts Multiple Choice: Which of the following cellular respiration processes involve oxidative phosphorylation? Glycolysis You Answered Krebs cycle Correct Answer Electron transport chain Citric acid cycle Question 10 0 / 4 pts Match of the following terms with the correct description.
You Answered Centrosome Correct Answer Region of the cell that functions to organize microtubules for cell division. You Answered Centriole Correct Answer A short, cylindrical protein filament composed of tubulin that plays a role in the formation of the mitotic spindle. You Answered Mitotic spindle Correct Answer Cytoskeletal apparatus composed of different kinds of microtubules that will separate the sister chromatids. You Answered Kinetochore Correct Answer A structured region used for microtubule attachment. UnansweredQuestion 11 Not yet graded / 4 pts What occurs during the process of transduction? Your Answer: Answer: The signaling molecule causes an intracellular change. UnansweredQuestion 12 Not yet graded / 4 pts ________ immunity is characterized by a recognition of traits specific to particular pathogens, using a vast array of receptors. Your Answer:
Community Population Organism Question 15 Not yet graded / 4 pts In what order do the processes of cellular respiration occur? Your Answer: Gyycolysis-----NADH-----electron transport chain-----proton motive force------ATP Answer: Glycolysis Citric acid cycle Electron transport chain Question 16 Not yet graded / 4 pts Why is the cell cycle control system important? Your Answer: Because if there was dysregulation of the cell cycle it could cause cancer cells. Answer: The cell cycle control system is essential for normal cellular growth and development, which is achieved by controlling the timing and rate of the cell cycle. Question 17 Not yet graded / 4 pts Once a steroid hormone reaches its target cell, how does it reach the intracellular receptor? Your Answer: By a carrier protein Answer: A steroid hormone is hydrophobic, so it will diffuse through the hydrophobic portions of the plasma membrane to reach the intracellular receptor.
Question 18 Not yet graded / 4 pts True or False. If false, explain why it is false. Humoral immune responses involve B cells. Your Answer: True Answer: True UnansweredQuestion 19 Not yet graded / 4 pts Fill-in-the-Blank: The foundational building blocks of proteins are the organic compounds ______, which are held together by ______ bonds. Your Answer: Answer: amino acids; peptide Question 20 0 / 4 pts Multiple Choice: Which of the following would be considered the largest level of organization within a population of living organisms? Organs Correct Answer Organisms Tissues You Answered
Question 24 0 / 4 pts Multiple Choice: Which of the following is true regarding a primary immune response? Correct Answer It occurs with the first exposure to an antigen. It occurs with re-exposure to an antigen. It is a rapid response. You Answered All of the above statements are true. UnansweredQuestion 25 Not yet graded / 4 pts What type of passive transport relies on the tendency of solutes to move from an area of high concentration to an area of lower concentration? Your Answer: Answer: Simple diffusion Question 26 0 / 4 pts Multiple Choice: Which of the following classification systems focuses on feeding relationships?
Linnaean Classification You Answered Body plans Correct Answer Trophic levels Levels of biological organization Question 27 Not yet graded / 4 pts What is substrate level phosphorylation? Your Answer: Gylcolysis------> ATP is generated by the substrate level phosphorylation Answer: Substrate level phosphorylation is the metabolic process of ATP being formed from the direct transfer of a phosphate group from an organic substrate. UnansweredQuestion 28 Not yet graded / 4 pts Which type of dominance occurs when the traits of both alleles are expressed in a phenotype? Provide an example of this type of dominance. Your Answer: Answer: Codominance; An example of this can be observed with a group of molecules located on the surface of red blood cells called the M and N molecules when both M and N molecules are exhibited on the individual’s red blood cells. UnansweredQuestion 29 Not yet graded / 4 pts
