Ofiltro de água doméstico, que muitas pessoas usam em suas casas, deve ser lavado de tempos em tempos. explique por quê.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.