A nucleotide like ATP, which has a molecular weight of approximately 570 Daltons, would enter the nucleus by way of:A. passive diffusion across the nuclear envelope membranes. B. passive diffusion through nuclear pore complexes.

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

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.

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?