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Questions in biology

[Jawaban] Which immunoglobulin class(es) can fix complement? A. IgG only B. IgM only C. IgE and IgA D. IgD only

[Jawaban] What statement best describes the category of simple sugars? A. Single- or double-molecule sugars that are easily absorbed by the body B. Sugar syrups that are easily absorbed by the body C. Sugars that are dissolved into liquid for consumption D. Sugars that have been added to packaged foods

[Jawaban] Select the best answer for the question. 14. "The complexity of life is based on cells as the building block that allows for emerging complexity." This statement describes which of the principles of cellular theory? A. Hereditary information is passed from cell to cell. B. All cells have the same basic chemical composition. C. Cells are the basic unit of life. D. All cells arise from preexisting cells.

[Jawaban] Which of the following is involved in the first step of the reflex arc? A. Sensory neuron B. Receptor C. Motor neuron D. Effector

[Jawaban] 10) The etiologic agent of the disease is A) crabs B) Plesiomonas shigelloides C) coconut milk D) Vibrio cholerae E) rice pudding 11) The source of the disease was A) crabs B) Plesiomonas shigelloides C) coconut milk D) Vibrio cholerae E) rice pudding 12) The fact that normal microbiota can benefit the host by preventing the overgrowth of harmful microorganisms is called A) Microbial antagonism B) Symbiosis C) Commensalism D) Mutualism 13) If the normal microbiota are eliminated (by antibiotics, for example), it can result in A) Fewer diseases B) Normal microbiota returning immediately C) Increased susceptibility to disease D) No bacterial growth 14) Diseases caused by microorganisms that normally grow outside the human body and are not transmitted from one host to another are: A) Communicable B) Contagious C) Nosocomial D) Noncommunicable

[Jawaban] Which statement about the pituitary is TRUE? The anterior pituitary is called the neurohypophysis as nerves from the hypothalamus stimulate its hormonal release. The posterior pituitary is called the adenohypophysis and is regulated by releasing hormones from the hypothalamus which travel via blood vessels. The posterior pituitary does not make its own hormones and they are made by the hypothalamus and only stored and released there. The anterior pituitary does not make its own hormones and they are made by the hypothalamus and only stored and released there.

[Jawaban] How is detritus important to wetland ecosystems?

[Jawaban] Once a conditioned behavior is extinguished, it can no longer appear again. Please select the best answer from the choices provided. A. True B. False

[Jawaban] Which statement would least likely be used to describe variation? A. Variations are inherited differences between individuals of the same species. B. Variations that decrease reproductive success are more likely to be passed on. C. Variations may result in changes to an entire population after many generations. D. Variations provide some individuals with an advantage.

[Jawaban] Select the best answer for the question. 16. Arrange the organization of life from simple to complex. A. Tissues, organs, cells, organ systems B. Tissues, cells, organs, organ systems C. Cells, tissues, organs, organ systems D. Organ systems, organs, tissues, cells