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What else can I help you with?
Where is the genetic material found in a cell?
in the food
Which organelle contains the information to run the cell?
The answer is the Nucleus
What is the structure in the cell nucleus that houses a cell's genetic information?
DNA carry information in chromosomes.They are in the nucleus.
Where would you find the genetic material in a cell?
A cells nucleus, mitochondria or a chloroplast may contain the DNA.
Is bounded by a double membrane with pores and contains the cell's genetic material?
The mitochondria and the chloroplast.
What is the medical term meaning pertaining to the nucleus?
Nucleation is the medical term meaning formation of the nucleus.
What is a nucleation site?
A nucleation site is a location where the process of nucleation begins, leading to the formation of a new phase or a new crystal structure. It provides a surface for molecules to come together and form a stable nucleus, which then grows into a larger structure. Nucleation sites are important in many physical and chemical processes, such as crystallization and phase transitions.
A substance in which all atoms are not alike but all the molecules are alike?
nucleus compound
What is the function of nuclear sap?
The function of nuclear sap is that it is the clear homogeneous ground substance of a cell nucleus.
What property defines a specific element?
Its atomic number; i.e., the number of protons in the nucleus of its atoms.
What is meant by undercooling in crystal growth?
Simply put, undercooling is the rate of cooling below the boiling point or true crystallization temperature of a mineral within a system. Undercooling does not only affect the rate of crystal growth but also affects nucleation and diffusion rates. The degree of undercooling produces different textures that are a result of the interplay among the rates of crystal growth, nucleation, and diffusion. Low degree of undercooling: moderate crystal growth, low nucleation, moderate diffusion. Produces a phaneritic texture. Moderate degree of undercooling: low crystal growth, high nucleation, low to moderate diffusion. Produces an aphanitic texture. High degrees of undercooling: very low crystal growth, nucleation, and diffusion. Rock is quenced and very little, if any, crystals form. Produces a glassy rock, or holohyaline texture. If you want a more in-depth understanding, keep reading. I will describe, in general, how the rate of undercooling relates to the formation of some common igneous textures. First some theory though. Undercooling is the temperature below the theoretical equillibrium crystallization temperature of a mineral at which crystallization actually initiates. The theoretical temperature of crystallization is always higher than what happens in reality due to the fact that geologic systems are rarely, if ever, homogenous and it is difficult to account for all the variabilites. Prior to crystallization, the prerequisite nucleation must first be satisfied. Even at saturation temperatures (boiling point) where all other conditions are favorable for the crystallization of a certain mineral, instabilities within the nucleus can result in spontaneous separation. This is because initial crystals are small and consequently have a high surface area/volume ratio. This results in higher surface energies making the initial crystal unstable. If a critical size of an "embryonic cluster" is not obtained, the high surface energies are able to overcome the internal bonding strengths causing the nucleus to spontaneously separate. The critical size can be achieved by either some degree of undercooling or supersaturation allowing enough stable ions to cluster together to form a nucleus. Initially undercooling enhances growth and nucleation rates. As undercooling increases (more rapid cooling, higher change resulting in lower temperatures), the opposite effect occurs. Growth and nucleation rates begin to decrease significantly as kinematics decrease and viscosity increases. Lower degrees of undercooling (the system is cooling slowly... think of a plutonic magma body at depth), the nucleation rate is low and the growth rate is moderate. This produces a phaneritic texture (coarse-grained crystals easily observable with the unaided eye). The higher temperature of the system supplies more energy which hinders crystal nucleation while facilitating element diffusion. At elevated temperatures, it is less likely that enough compatible ions will be close enough to form an embryonic cluster because of the overall higher kinetic energy of the system. This means it is harder for crystals to begin forming, but once they do, it is easier to move (diffuse) the necessary elements to the nucleation site to continue crystal growth. Since there are fewer nucleation points, the crystals are allowed to grow to larger sizes before running into each other. Moderate degrees of undercooling (rapid cooling) produce an aphanitic texture (fine-grained rock, individual grains cannot be observed by the unaided eye... think of a lava flow without cyrstals). Crystal growth is lower than nucleation so the crystals cannot grow as large because they run into each other hindering growth. The sudden drop in temperature decreases the energy of the system. Lower temperatures diminish the rate of diffusion (increase in viscosity) while increasing the possibility of ions forming nucleation sites. It is now easier for ions to move closer to one another than diffuse away to find more compatible partners. This could be one explanation why more mafic rocks have less complex mineral formulas while felsic rocks are more complex. Large degrees of undercooling (extremely rapid cooling, think obsidian or other holohyaline rocks) produce a rock composed entirely of glass. This is because both nucleation and crystal growth are very low; there is no time for either to occur because the rate of temperature decrease is so high. Two stages of cooling can also occur. For example, a porphyritic rock, defined as a bimodal grain size distribution, forms from an eariler phase of slower cooling followed by a phase of more rapid cooling. Bimodal grain size distribution means larger crystals (phenocrysts) are set in a fine-grained groundmass (matrix). The degree of undercooling (cooling rate) aids geologists in determining how rocks form (petrogenetic studies). As stated above, a porphyritic texture indicates two stages of cooling. A cooling magma body at relatively shallow depths that experiences recharge (or some other eruption trigger such as tectonic activity or an increase in volatile content) may erupt. Since the magma body was experiencing lower degrees of undercooling for some amount of time, it will have large crystals floating in the remaining melt. Upon eruption, the system experiences higher degrees of undercooling freezing the larger crystals in a fine-grained groundmass. Hopefully this helps. Please understand that the above is a generalized explanation, but conceptually, it should do just fine. Never say never and never say always in geology! There is ALWAYS an exception.
What are three stages in crystal formation?
To be exact: there are no three stages of crystal formation. This is an oversimplification using ill defined terms. The answer depends on the context and on what the one who asked it is interested in. Nucleation Growth and Equilibrium could be called 3 stages, as well as Adsorption Reorientation and Incorporation of new members of the lattice. For experimentalists it could be supersaturation, nucleation and separation as well. Crystallization from solution or even of pure substances is so complex that exact theoretical descriptions virtually do not exist up to date.
What cell has a nucleus that controls all of the cells functions?
Every cell has a nucleus. A necleus is basically a brain. It holds all the information needed to run the cell. The nucleus tells the cell what to do. Weather it is a muscle cell or a plant cell, it has a nucleus. Every cell has a nucleus.
What can a nucleus relate to?
A nucleus is a membrane-bound organelle found in eukaryotic cells that contains the cell's genetic material. It controls the cell's activities and plays a critical role in regulating gene expression. The nucleus is often referred to as the control center of the cell.
What is multi-nucleate?
Multi-nucleate refers to a cell or organism that contains more than one nucleus. This can occur naturally in certain cells, such as muscle cells, where multiple nuclei help facilitate cellular functions. Abnormal levels of multi-nucleation can also be seen in certain diseases or conditions.
What is the role and purpose of thr nucleus?
the purpose of the nucleus is to hold all the information for your cell. The nucleus holds the data that transfers to the chloroplast, indoplasmic reticulm and other things that need materials from the nucleus to do their job
What is the function of the nuclear sap in an animal cell?
The nuclear sap in an animal cell, also known as nucleoplasm, plays a crucial role in providing a medium for various cellular processes within the nucleus. It contains the genetic material (DNA) and proteins necessary for gene expression and regulation. Additionally, it helps maintain the structural integrity of the nucleus and facilitates the movement of molecules within the nucleus.
