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1. If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus?A. A+ 1, Z + 1B. A-1, Z-1C. A+ 1, Z-1D. A-1, Z + 12. A population shows the following annual data: 3% emigration 2% immigration 2% births 1% deaths Which of the following is the change in population at the end of the year?A. 3% decreaseB. 2% increaseC. 1% decreaseD. No change3.In humans (2n =46), mitosis results in ____ and meiosis results in _____ Which of the following options correctly completes the sentence above?A. 2 cells with 23 chromosomes; 4 cells with 46 chromosomesB. 4 cells with 46 chromosomes; 2 cells with 23 chromosomesC. 2 cells with 46 chromosomes; 4 cells with 23 chromosomesD. 4 cells with 23 chromosomes; 2 cells with 46 chromosomes4. In an experiment,a reseacher counts the number of oxygen bubbles produced by water plan placed under different colors of light. The researcher find that water plants place under white light release more oxygen bubbles than water plants placed under red light. Which of the following statements s best supported based on the observation:A. Light can break up water moleculus to form oxygen.B. White light increases photosynthesis in plant.C. Red light has no affect on the release of oxygen from water plants.D. An increase in temprature decreases the amount of oxygen produced by plants.5. A scientist has note a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in humans. Which of the f/w preliminary steps should the scientist take before conducting a controlled experiment: A. Establish a cause and effect relationship between the substance and the outcome.B. Review the literature to dertermine what other research is available on this topic.C. Write a research grant proposal to the appropriate federal funding agency.D. Distribute letters of consent to human subjects who will be used in the research.
Briefly present the most common side effects of drugs used for hypertension treatment. Why some of them can cause electrolyte abnormalities, dysrhythmias or drug-drug interactions. Give some examples.
Monk Mendel is working out in his garden planting yet more peas. He notices that the seeds he is removing from the pods are not the same color as the pod.
q1. two main cell groups make up the nervous system- neurons and connective tissue cells such as astrocytes and schwann
How does red bone marrow produce blood cells that function in the body's immune response?
In peas, green pods (Y) are dominant to yellow pods (y), and inflated pods (P) are dominant to pinched pods (p). A cross between green, inflated plants and yellow.
how many molecule mass numberes of glucose would be in the 1 liter 0.1 solution made in the mass are approximately: C=12, O=16, H=1.? Can someone pls explain how fructose-2,6-bisphosphate works in theregulation of glycolysis?
What is the botany of potato crop -the description of potato botany with their references
q. the two vesicle fractions are either untreated - or are incubated with the protease trypsin . the membrane vesicles
explain the simmilarities and differences of aortic arches in the earthworm to the heart in the rat.
q1. the dunkers are a religious group that moved from germany to pennsylvania in the mid-1700s. they do not marry with
Explain how you would prepare 200 ML of a 0.25 Msoluation of NaOH from a 3 M stock solution?
Which statement is false regarding cytotoxic T cells?
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