Category: Uncategorized
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Which of the following is not a difference between DNA and RNA?
Which of the following is not a difference between DNA and RNA? a) DNA contains thymine whereas RNA contains uracil b) DNA contains deoxyribose and RNA contains ribose c) DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars d) RNA is single-stranded and DNA is double-stranded e) None of the above Answer: e)…
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Which of the following statements best summarizes Erik Erikson’s theory?
Which of the following statements best summarizes Erik Erikson’s theory? a. Personality is formed by the time a child turns five or six years old. b. Psychological development stops for most people at the end of adolescence. c. Eight inevitable crises must be resolved as one moves through life. d. Adult development is characterized by…
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Systems in nature tend to undergo changes toward: a) lower energy and higher entropy.
Systems in nature tend to undergo changes toward: a) lower energy and higher entropy. b) lower energy and lower entropy. c) higher energy and higher entropy. d) higher energy and lower entropy. Answer: a) lower energy and higher entropy. The second law of thermodynamics involves stating that in any natural system which is closed, the…
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Which organelle is not found in plant cells? Vacuoles, mitochondria, chloroplast, or centriole?
Question:- Which organelle is not found in plant cells? Vacuoles, mitochondria, chloroplast, or centriole? Answer: The correct option is centriole. The centrioles are missing in the plant cells of most types. Centrioles are double cylinders made up of microtubules and are only found in animal cells. They are integral to the structure of mitotic spindle…
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The general term for the maximal force that a muscle or muscle group can generate is:
The general term for the maximal force that a muscle or muscle group can generate is: a. 1 rep max b. aerobic power c. anaerobic power d. strength Answer: d. strength The strength of a particular muscle or group of muscles may be defined as the extent of force with which a muscle or group…
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Which two elements have the same number of valence electrons?
Question:- Which two elements have the same number of valence electrons? Answer: The correct options are Fluorine (F) and Chlorine (Cl). The outermost shell or energy level of any atom which contains only a few electrons is known as the valence electron. These electrons work as chemical entities and are responsible for chemical interaction that…
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Is evaporation of water a physical change or chemical change?
Question:- Is evaporation of water a physical change or chemical change? Answer: The evaporation of water is a physical change. There are changes that happen to solid, liquid or gas that does not necessarily cause a change in its chemical formula or the molecules formula. As you may observe in the case of evaporation that…
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Current research on Piaget’s stages suggests that _____
Current research on Piaget’s stages suggests that _____ a. the ages he assigned for different abilities were completely accurate. b. he correctly identified the role of culture in cognitive development. c. he underestimated children s abilities and the timing of their development. d. the sequence of the skills he described in children was completely inaccurate.…
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What is an open circle in math?
Question:- What is an open circle in math? Answer Samoan and Hawaiian both belong to a Polynesian branch of Austronesian languages but there is a difference in both of them. Hawaiian has the smallest number of consonants, 8, and Samoan has a slightly greater number of 10. Samoan unlike Hawaiian accepts both open syllabi, that…
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How many machs is the speed of light?
Question:- How many machs is the speed of light? Answer The speed of light is awe inspiring 299,792,458 meters per second in space. This speed is so massive that the most tractable and easier way to express it is by means of the Mach number which is the ratio of the speed of an object…