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Questions in biology

[Terjawab] Which of the following is not involved in maintaining a constant level of body fluid (water)?

[Terjawab] A 76-year-old individual fell while he was at home and, after some months, he is still afraid and is rigid in his joints both in standing and walking. A. an excessive tonic contraction of the inferior limb flexor muscles B. an excessive tonic contraction of the limb extensor muscles C. an excessive tonic contraction extensor and flexor muscles of the whole inferior limb D. an excessive tonic contraction of the quadriceps muscles E. an excessive tonic contraction of the inferior limb triceps muscles

[Terjawab] How do scientists classify bacteria?

[Terjawab] Where in the cell does glycolysis happen? A. In chloroplasts B. In mitochondria C. In the cytoplasm D. At ribosomes E. In the Golgi

[Terjawab] What is the main function of the ozone layer above Earth's surface? A. It reflects all sunlight away from Earth B. It traps heat and contributes to global warming C. It absorbs harmful ultraviolet (UV) radiation from the Sun D. It allows more ultraviolet light to reach Earth's surface

[Terjawab] Which of the following functions is the "sloshing" motion that thoroughly mixes chyme with the chemical secretions in the small intestine? A. peristalsis B. absorption C. pendular movement D. segmentation

[Terjawab] Respond to the following based on your reading. What three conditions must be present for minerals to form through natural processes?

[Terjawab] What is the overall net gain of ATP in aerobic respiration per one molecule of glucose? A. between 0-10 B. between 10-20 C. between 30-40 D. between 40-50

[Terjawab] Which of the following best describes the reduction of the coenzyme NAD? A. [tex]$NAD + H \rightarrow NADH$[/tex] B. [tex]$NAD ^{+}+ H \rightarrow NADH$[/tex] C. [tex]$NAD ^{+}+ H \rightarrow NADH _2$[/tex]

[Terjawab] Identify the correct term using the descriptions provided. A group of organisms of the same species that live in an area: