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In an experiment that tested the effect of light intensity onthe rate of photosynthesis, we do not run a control tube in theexperimental setup. that is not every good scentific practice isit? why is a control important in an experiment? how would youdesign a control for this experiment? be specific. […]

1. Which of the following is a measure of disorder?Conservation of energyEntropyRespirationKinetic energyPotential energy 2. Glucose molecules provide energy to power the swimming motion of sperm. In this example, what type of energy transformation is taking place?kinetic energy is transformed into potential energychemical energy is transformed into potential energykinetic energy […]

Answer in a word or sentence: 1. Who gave the theory of natural selection and the concept of ‘organic evolution’? 2. What idea is proposed by J.B.S Haldane about the origin of life on earth? 3. Give an example where environmental factors play a major role in sex determination. 4. […]

Certain restriction enzymes produce cohesive (sticky) ends. this means that they a) make a staggered double-strand cut, leaving the ends with a few nucleotides of single-strand DNA protruding. b)cut in regions of high GC content, leaving ends that can form more hydrogen bonds than ends of high at content.c)cut both […]