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Questions in biology

[Done] Which is the correct order for the scientific method? A. Observe, create a hypothesis, ask a question, conduct the experiment and collect the data, interpret the results, and report the results. B. Ask a question, observe, create a hypothesis, conduct the experiment and collect the data, interpret the results, and report the results. C. Observe, ask a question, create a hypothesis, conduct the experiment and collect the data, interpret the results, and report the results. D. Create a hypothesis, ask a question, observe, conduct the experiment and collect the data, interpret the results, and report the results.

[Done] 43. The function of abscisic acid in plant is to A. break the dormancy of seeds. B. hasten the ripening of fruits. C. promote apical growth. D. promote cell division. E. promote root elongation. 44. The response of plant shoot to the stimulus of touch is called A. chemotropism. B. geotropism. C. hydrotropism. D. phototropism. E. thigmotropism. 45. Caudal vertebra is located in the A. abdomen. B. chest. C. hip. D. neck. E. tail. 46. After mastication, food is rolled and swallowed in the form of A. bolus. B. chyle C. chyme. D. mucus. E. saliva.

[Done] Starch formation by green plants is called A. stomata B. osmosis C. chlorophyll D. photosynthesis E. condensation Animals which feed only on plants are called... A. mammals B. reptiles C. herbivores D. amphibians E. carnivores

[Done] Describe how natural selection leads to adaptation within a population over time.

[Done] Select the part of the ATP molecule that stores and releases energy. A. B. C. D.

[Done] 19. Single blood circulation is a characteristic of A. bird. B. fish. C. lizard. D. monkey. E. toad. 20. The following are organs involved in homeostasis except A. kidney. B. liver. C. lungs. D. skin. E. stomach. 21. The mineral salt needed for the production of thyroxine is A. boron. B. iodine. C. iron. D. phosphorus. E. potassium. 22. The site for gaseous exchange in lungs is A. alveolus. B. bronchiole. C. bronchus. D. larynx. E. trachea. 23. Epigeal germination is a characteristic feature of

[Done] 5) A decrease in the production of C3 would result in A) increased susceptibility to infection B) increased numbers of white blood cells C) increased phagocytosis D) activation of C5 through C9 E) none of the above 6) Helicobacter pylori uses the enzyme urease to produce NH3 in order to counteract a chemical defense in the human organ in which it lives. This chemical defense is A) lysozyme B) hydrochloric acid C) sebum D) superoxide radicals E) complement 7) Which of the following statements about IFN-a is not true? A) It interferes with viral replication. B) It activates adjacent cells to make AVPS. C) It is released by fibroblasts. D) It protects the cells that produce it. E) It is released by infected cells. 8) Innate immunity can be defined as A) Ability to ward off diseases B) Defenses that are present at birth C) Specific responses to a specific microbe D) The lack of resistance

[Done] This week's readings discuss a new theorized stage of development in the life span - emerging adulthood. Through the changing marital trends, child bearing trends, and college attendance by women, a new category of individuals has been created permitting young people a longer period to develop their identities before assuming adult roles. Identity formation is one of the key aspects of this theory. Consider your own process to identifying as an adult (if you do) or are you still in the stage known as emerging adulthood. Create a video, podcast, PowerPoint, Prezi, or other media format describing your own personal journey to adulthood. There are two options for submission of this activity:

[Done] What percentage of sheep had a body height of 1.2 meters or more 30 years ago? How does it differ from the present data? Does this data support your argument regarding the type of selection occurring?

[Done] Based upon Michael's symptoms and diagnosis, what can you infer about the process of apoptosis? A. It does not occur in nerve cells. B. It can be triggered by organelle malfunction. C. It occurs as a normal result of cell division. D. It occurs when cells have ample numbers of organelles.