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Questions in biology

[Terjawab] Why are the Miller-Urey experiments essential to the theory of evolution? A. They showed that life can only come from life. B. They showed that electricity can create life. C. They showed how organic molecules could be made from Earth's early atmosphere. D. They showed the role that natural selection played in the evolution of modern day organisms.

[Terjawab] What does photosynthesis provide that serves as the starting point for cellular respiration? A. Carbon dioxide B. Oxygen and glucose C. Oxygen, carbon dioxide, and water D. Oxygen and water

[Terjawab] Select the bony landmark that can be best described as an abrupt or pointed projection. A. Tuberosity B. Process C. Line D. Spine

[Terjawab] Determine what kind of variation is related to the following trait: skin color. A. Only Environmental variation B. Only Genetics C. Both Genetics and the Environment D. Neither

[Terjawab] By definition, what type of fatty acid has double bonds? A. saturated B. unsaturated

[Terjawab] Reflexes are: A. Voluntary motor movements B. Pre-planned and controlled C. Involuntary movements in response to stimuli D. Spontaneous involuntary movement

[Terjawab] Which of the following is a male organ? A. stigma B. pistil C. ovary D. stamen

[Terjawab] Which set of substances requires either channel or transport proteins in order to cross the cell membrane? A. $N _2, H _2 O , C _6 H _{12} O _6$ B. $H _2 O , NaCl , C _6 H _{12} O _6$ C. $N _2, H _2 O , NH _3$ D. $NaCl , NH _2 CONH _2, O _2$

[Terjawab] 4. neuroscience: 5. neuron: A nerve cell 6. synaptic blooming and pruning: 7. Name reasons why sleep is vital. a- b-

[Terjawab] Syndesmoses are A. cartilaginous joints. B. fibrous joints. C. synovial joints.