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Questions in biology
[Terjawab] The rib cage protects A. heart and lungs B. the brain C. only the lungs
[Terjawab] Which type of selection occurs when a population experiences a shift in diversity toward the larger organisms? A. stabilizing selection B. directional selection C. disruptive selection D. adaptive selection
[Terjawab] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
[Terjawab] A joint in which articulating bones are joined by dense regular connective tissue is classified as a __________ joint.
[Terjawab] What is the resting phase for cells that are currently not in the process of division or cells that do not intend to divide, such as the nerve cells in your brain? A. G₁ B. G₂
[Terjawab] Answer the following questions in one word. a) Which material makes the cell wall? b) Which cell organelle produces energy for the cell? c) Which cell organelle controls the cell? d) Which plastid is colourless? e) Which plastid helps in photosynthesis? f) What is the outermost layer of plant cell called? g) Name the site for the production of energy in the cell.
[Terjawab] Which term describes an enzyme? A. substrate B. reactant C. catalyst D. product
[Terjawab] Which factor can cause secondary succession? A. clear cutting B. glacial melting C. competition D. predation
[Terjawab] A patient has diabetes, a disease that causes high blood sugar levels. Which macromolecule will a dietician monitor most closely in a patient that has the disease? A. carbohydrates B. lipids C. nucleic acids D. proteins
[Terjawab] Which of the following statements are true regarding homologous pairs of chromosomes? Select all that apply. * Their presence indicates a cell is diploid * They line up next to each other during metaphase I of meiosis * They are the same size * They are identical copies of one another * One of the homologous chromosomes in a set is synthesized during S phase * They are separated in anaphase I of meiosis
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