By measuring microtubule growth, you find that they grow at a rate of 3 μm/min (this number has been altered to make the following calculation easier). At this growth rate, approximately how many alpha/beta tubulin dimers (8 nm in length) are added to the ends of a microtubule each second (don't forget there are 13 protofilaments/microtubule)?

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Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)