Answer: The correct answer is D. Adenine
Explanation:
There are two types of nucleic acid ribonucleic aid and deoxyribonucleic acid. There are four types of nucleotides which make the DNA and these are adenine, guanine, thymine, and cytosine.
Adenine and thymine make complementary base pairing with each other and guanine and cytosine make complementary base pairing with each other in DNA.
In RNA against adenine, uracil comes and against thymine adenine comes. Therefore as at location 2 thymine is present in DNA so in RNA against it adenine will come.
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The answer is; D
Potential energy is the stored energy in an object in respect to the position it has relative to other objects or ground, stresses within it, electric charges it contains, and/or other factors. Therefore, the ball’s relative position to the ground gives it potential energy because it will fall by gravity when released.
The answer is; B
When brakes are applied, the kinetic energy of the car is converted to heat energy (due to friction) as reduced speed and stops. This is in accordance with the law of thermodynamics that stipulated that energy or matter cannot be destroyed or created but can only be transformed.
Jack took a pill that increases his sympathetic nervous system arousal. According to Schachter and Singer's theory, putting him in an emotional situation and telling him that the pill will have no effect, would increase the chance of experiencing a strong emotion by him.
The two-factor theory of emotion was given by Stanley Schachter and Jerome E. Singer. According to Schachter and Singer's theory, an emotion is built on two factors i.e. physiological arousal as well as cognitive label.
The theory suggests that when an emotion is perceived, a physiological arousal takes place and the person makes use of the existing surroundings to look for emotional signals to tag the physiological arousal through cognition.
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siRNA prevent gene expression by binding to the product of transcription because <u>they bind to mRNA</u>
Explanation:
siRNA are short-sequence RNA strands, about 20 bp long, that bind to complementary regions on transcribed mRNA. This causes the formation of regions of dsRNA on the mRNA. This subsequently result in recruitment of enzymes such as Diver enzyme to cleave the mRNA and hence rendering it ineffective for translation into proteins. This is how siRNA negatively regulate genes, a process that has also been identified in research as a window to remedy genetic diseases.
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The right answer is True.
Thanks to several genetic manipulations, a bacterium has been transformed into a plant exclusively dedicated to the production of biofuel. The microorganism expelling the precious fatty acid out of the cell, this synthetic route circumvents the expensive step of extraction and purification.
The production of this fuel faces several problems. It must achieve sufficient production rates to meet the demand for biofuel while being competitive with oil.
