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What is the smallest cell in the human body? Answer: The correct answer is Sperm cell. The sperm cell or spermatozoon is perhaps among the smallest cells in the human body commonly referred to as the smallest. There is no clearly defined nucleus, and it is roughly 50 micrometres long, making it considerably smaller than…

How many valence electrons does barium have? Answer: The correct answer is 2 valence electrons Number of valence electrons is 2 in case of barium. This could be exemplified by determining its place on the person’s periodic table and determining its electron configuration. Barium is an element belonging to the group of alkaline earth metals…

What is agricultural ecology and its importance? Answer: This section of science focuses on relationships between agri-production systems and the surrounding milieu. Agroecology is defined as the aspect that relates to interactions between agriculture and those systems found in the natural environment. This is an area of study that integrates theories in ecology, agriculture, and…

What is the importance of production in economics? Answer: It creates what is generally referred to as ‘utility and value’. Production as a process is an inseparable element of the economic processes and impacts directly on the creation of utility and value in the economy. It entails the process of turning inputs of materials, human…

What is the valency of hydrogen? Answer: The correct answer is 1. Hydrogen is an element which has a valency capacity of 1. This has a close relation with the chemical behaviour of hydrogen especially in compound formation. This single valency electron is lodged in the hydrogen’s 1s, which is the only and also the…

The process by which plants make their own food is called: A. transpiration B. respiration C. active transport D. photosynthesis Answer: D. photosynthesis Photosynthesis is the basic life principle through which plants produce food and where energy from light transforms into biochemical energy within glucose. This intricate operation is situated mainly in the chloroplast of…

Which of the following is NOT a useful vehicle feature from a security perspective? 1: Power windows 2: Air bags 3: Lock on gas cap 4: Power locks 5: Internal hood relegili lever Answer: 2: Air bags The airbag is important for the safety of the passengers in the event of an accident but is…

Which of the following brought increased public attention to the problems with the IRB system? A. Death of Research Subject (Jesse Gelsinger) B. HHS Inspector General Report of 1998 C. 1983 Presidential Commission Report” D. Shut Downs” by OHRP Answer: A. Death of Research Subject (Jesse Gelsinger) Answer: The tragic death of Jesse Gelsinger in…

For prior restraint to apply, what must the government prove about the speech in question? A.The speech must be libelous. B.The speech must present a general threat. C.The speech must present a clear and identifiable danger. D. The speech must be offensive. Answer: C.The speech must present a clear and identifiable danger. Prior restraint is…

Which of the following statements is true based on recent research: A. Many students want to drink in safer ways B. Many students don’t drink at all in college C. Only a small amount of students are frequent heavy drinkers D. All of the above Answer: D. All of the above New studies on how…