Acell biologist wants to observe the surface of a nucleus in order to obtain a detailed view the nuclear pores through which mrna leave the nucleus. which type of microscope would be the best choice? a. light compound microscope b. transmitting electron microscope c. dissecting microscope d. scanning electron microscope

The correct answer is option B that is, transmitting electron microscope.  

The core organelles comprise the mitochondria, nucleus, endoplasmic reticulum, and various others. The microscopes play an essential function in understanding organelles.  

Although the majority of the organelles are not clearly observed with the help of light microscopy, and those that can be seen like nucleus are not studied in detail, as their size comes nears to the resolution limit of the light microscope. The complete composition of organelles had only become clear after the discovery of a transmission electron microscope.  

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the water molecules are transferred from the roots to the stem or top parts of the tall tree because of important properties of water which are adhesion, cohesion and capillary action. cohesion is the property of water molecules keeps water molecules in a combined state by sharing of bonds between them at the atomic level. adhesion allows the interaction of water molecules with other substances or substrate. adhesion will cause the attachment of water molecules to the wall of the vessel (xylem) of the plant. capillary action occurs when the adhesive force to the vessel wall is stronger than the cohesive force between water molecules. capillary action mimics the transfer of water from a tube or pipe. in this way water utilizes its property to transfer water from down to top level of the plant.  

earthquakes in florida are rare because the state is not located near any tectonic plates. in fact, florida is tied for first place as having the fewest earthquakes of any state. much of florida is limestone and seafloor materials that is not conducive to earthquakes.

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