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The process of DNA replication is semi-conservative. It is studied under the domain of molecular biology.
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- QUESTION 44 Which of the following statements is FALSE? O O O O As PCO2 increases, the affinity of hemoglobin for O2 decreases. As H+ ion concentration increases, the affinity of hemoglobin for O2 decreases. As temperature increases, the affinity of hemoglobin for O2 decreases. As 2,3-DPG increases, the affinity of hemoglobin for O2 decreases. As PO2 increases, the affinity of hemoglobin for O2 decreases. 0QUESTION 49 Three Types of Muscle Which of the following is an accurate description of smooth muscle? a. It is under voluntary control. b. It controls movement of limbs and joints. c. It controls itself, with some fine-tuning by the nervous and endocrine systems. d. It is found in hollow internal organs.Question:- 1.What features distinguish modern humans from great apes?
- Question 3: Based on Lotka-Volterra's models, you should be able to change just 1 parameter of your experiment (N₁, N2, K₂, K₁) and change the outcome of question 1. 1. State which parameter you would choose to change and how you will change it. That you could increase №₁ is: II. How does changing this parameter alter the outcome? (i.e. What is the new outcome? - Do you go from 1 always species winning to coexistence? from stability to instability? coexistence to 1 species always winning? from species 1 wins to species 2 wins) III. Using concepts of interspecific, intraspecific competition and/or carrying capacity, explain why you think changing your parameter changed the outcome?QUESTION 14 What switches off an activated G protein? A molecule of GDP replaces the GTP. There is an enzyme that reassembles the trimeric G protein. Ca2+ ions activate CAMKII, which inactivates the protein. The protein contains intrinsic GTPase activity which converts GTP to GDP. A phosphorylase enzyme removes the phosphate from the GTP.QUESTION 26 Match each of the following layers of the gastrointestinal tract to its description serosa/visceral peritoneum muscularis externa submucosa ▼ mucosa/mucous membrane A. innermost layer made of epithelium, lamina propria (connective tissue) and muscularis mucosa (very thin layer of smooth muscle) B. dense irregular connective tissue innervated by the submucosal plexus and that has lots of blood vessels (this is where the capillary beds are) C. smooth muscle innervated by the myenteric plexus and arranged in circular and longitudinal layers D. membrane that secretes fluid into the peritoneal cavity
- QUESTION 16 Where are you most likely to find this tissue? O Dermis of skin O Beneath the skin and around certain organs (i.e. kidney) O In walls of blood vessels, the Gl tract, and reproductive systems O Tendons, ligaments, and aponeuroses O Skeletal muscles O The heart wallQUESTION 35 Which of the following organs are CORRECTLY matched to their function? Check all that apply. produces bile...gallbladder concentrates and stores bile... gallbladder detoxifies the blood... liver stores fecal matter... large intestine makes many digestive enzymes ... pancreas delivers chyme to the small intestine in small amounts ... pancreas secretes intrinsic factor required for the absorption of vitamin B12... large intestineQuestion 41 What type of grazing fish is this? Angelfish Batfish O Cowfish O Boxfish O Filefish
- QUESTION 2 There are two different forms of the three-spined stickleback (Gasterosteus aculeatus), one primarily found in the ocean and the other in freshwater. The oceanic morph is heavily armored and has well-defined dorsal and pelvic spines, and the freshwater morph has far reduced armor and spines. Spines and armor are related to fitness and are controlled by two different genes. Within this single species, these differences in morphology are due to a few nucleotide changes in the two genes. This provides evidence for evolution through: a. Speciation b. Common ancestry c. Macroevolution d. MicroevolutionWhich question will your experiment investigate? (select one and delete the others) How does temperature affect how lactase drops work to break down lactose into glucose and galactose? How does pH affect how lactase drops work to break down lactose into glucose and galactose? How does agitation (movement) affect how lactase drops work to break down lactose into glucose and galactose? What variable will you change in this experiment? This is also called the Independent variable. How will you change it? What variable will you measure in this experiment to determine the effect of the variable you changed? This is also called the Dependent variable. How will you measure it? What variables will you keep the same in this experiment? Check off the items in this list that you would use for this experiment. You may add any items you feel you would need. O Skim milk (which contains lactose) O Lactase drops O Graduated cylinder O Eye dropper O Ice cubes O pH paper O Hot plate O Mixing spoon O…Question 5) If you go to Mars and come back after five years and you read that 3 billion people have died on earth which is the most likely reason for why they died: O Diabetes because of increasing sugar consumption among young people especially. O Enterogastritis cancer because of modern eating habits. O Breast cancer because of excessive usage of mammography leading to long-term side effects. O Covid-19. O Parkinson because of the ever increasingly elderly population.