Which of these statements about light is correct? a. It travels slower than sound. b. It travels slower than electric charges. c. It travels fastest through water. d. It travels fastest through a vacuum.

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• witch best illustrates the result of the process of meoisis?
• Which property is shared by the processes of replication and transcription? a. they both take place in the cytoplasm of the cell. b. one strand of nucleic acid serves as a template for synthesis of another. c. they both make copies of dna. d. they require ribsomes. e. they both use the nucleic acid uracil?
• The nurse discusses the recommended weight gain during pregnancy with a newly pregnant client who is 5 ft 3 in (160 centimeters) tall and weighs 130 lb (59 kilograms). The nurse explains that, with the recommended weight gain, the client should weigh how much by term?
• Which food group is most typically consumed in amounts greater than the amounts recommended by the usda?
• The cellular process known as the sodium-potassium pump was discovered in the 1950s by Jens Christian Skou, a Danish scientist. This process is a form of active transport that moves three sodium ions to the outside of a cell for every two potassium ions that it moves into the cell. Which of these best explains why energy is needed for active transport? A. Ions are moved against the concentration gradient. B. Ions are negatively charged. C. Ions are attached to large proteins. D. Ions are trapped inside the plasma membrane.
• Which of the following hormones is currently thought to decrease plasma calcium levels in pregnant women and children? A) Calcitonin B) Thyroid Hormones C) Parathyroid Hormone (PTH) D) Calcitriol
• Which of the following statements is true? A)Water and energy are not recycled in an ecosystem. B)Weathering is the main way phosphorous is recycled. C)The total amount of energy in an ecosystem continuously increases. D)The organism at the top of a food chain receives the most energy from the sun.
• A client presents with localized redness and swelling from a bee sting and reports intense pain, burning, and itching. What would be the most appropriate nursing action? (Multiple choice question)