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Questions in biology

[Terjawab] Four different thermometers were used to measure the temperature of a sample of impure boiling water. The measurements are recorded in the table below. | Thermometer | Temperature Reading 1 | Temperature Reading 2 | Temperature Reading 3 | |---|---|---|---| | W | $100.1^{\circ} C$ | $99.9^{\circ} C$ | $96.9^{\circ} C$ | | X | $100.4^{\circ} C$ | $102.3^{\circ} C$ | $101.4^{\circ} C$ | | Y | $90.0^{\circ} C$ | $95.2^{\circ} C$ | $98.6^{\circ} C$ | | Z | $90.8^{\circ} C$ | $90.6^{\circ} C$ | $90.7^{\circ} C$ | The actual boiling point of pure water is $100.0^{\circ} C$. What can be concluded from the data about the reliability and validity of the thermometers? A. Thermometer Y has the highest validity. B. Thermometer Z is the most reliable. C. Thermometer W is the most reliable. D. Thermometer X has the highest validity.

[Terjawab] Which part of the brain displays rhythmic spiking during sexual orgasm and is one of the brain regions that rats will most reliably voluntarily self-stimulate? A. hypothalamus B. preoptic area C. septal nucleus D. amygdala

[Terjawab] Match the digestive system organ or compound with its correct function: Gallbladder Gastrin Large Intestine Proteases Small Intestine Amylase Pyloric Sphincter Stomach Houses bacteria, absorbs water and some minerals; forms feces Hormone produced by the stomach that stimulates the pancreas to release bile Stores and concentrates bile Enzyme that breaks down starch Major site for chemical digestion and absorption Site of mechanical digestion and chemical digestion of protein Enzymes that breakdown protein molecules into amino acids Regulates/limits the amount of chyme that can enter the small intestine at one time

[Terjawab] Which step comes right before "Analyze the data" in the scientific method? A. Predict a theory. B. Conduct an experiment. C. Test the hypothesis. D. Collect the data.

[Terjawab] Which type of molecule that can be found in living things lacks carbon atoms? A. protein B. carbohydrate C. fat D. water

[Terjawab] These features of the fetal skull are areas where fibrous connective sheets that precede the cranial bones have not yet ossified: A. foramina B. fontanels C. epiphyseal plates D. condyles

[Terjawab] The diagram represents a dihybrid cross between two pea plants heterozygous for both seed color and seed shape.

[Terjawab] Most plants are: A. photosynthetic B. nonvascular C. mycorrhis D. parasitic

[Terjawab] Summarize the importance of phospholipids.

[Terjawab] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?