Answer: During cell division, the process that partitions the cellular contents including the chromosomes, cytoplasm, and organelles into the two daughter cells. Cytokinesis occurs just after the segregation of the duplicated genome.
Explanation:
Explanation:
A coniferous forest is an example of a <u>biome.</u>
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Biomes are major ecological communities which occupy a particular space such as deserts forests, and tundras. Each species within a community performs a specified role, called a niche. An ecological niche describes certain conditions required for an organism's survival, its roles and how it responds to resource distribution, along with competition for these resources.
Several limiting factors, restrict the ability of many organisms to thrive in the area; these organisms exist within a particular range of tolerance.
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Answer:
<h2>Excitatory postsynaptic potential (EPSP)
</h2><h2>a) it brings the postsynaptic membrane potential closer or nearer to threshold </h2><h2>b) it depolarizes the postsynaptic membrane ; and
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c) it results from the movement of Na+ ions into postsynaptic cell .
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</h2><h2>Inhibitory postsynaptic potential (IPSP): </h2><h2>a) it moves the postsynaptic membrane potential farther away from threshold .</h2><h2>
b) it hyper-polarizes the postsynaptic membrane ;
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c) it results from the movement of K+ ions out of the postsynaptic cell
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In both cases: it is a graded potential in both.
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Explanation:
Excitatory postsynaptic potentials are excitatory because they make the postsynaptic neuron to generate an action potential by depolarizing the membrane and bringing the membrane potential closer to threshold where new action can generate .It happens by opening ligand-gated Na+ channels in the postsynaptic membrane, which then allows Na+ ions to enter the cell.
Inhibitory postsynaptic potentials make it more difficult for the postsynaptic neuron to produce an action potential by hyper-polarizing the membrane and moving the membrane potential farther from threshold. This occurs by opening ligand-gated K+ channels, which allows K+ ions to move out of the cell.
Regardless of as they are excitatory or inhibitory, all postsynaptic potentials are graded. and by this , its magnitude decreases with distance from the synapse along with the cell body.
Answer:
Microarray technology is a very useful technology that allows to study the measure the expression levels of large numbers of genes simultaneously. It consists of a solid support (that can be glass, silice, or nylon), and to it are attached a lot of single stranded DNA fragments that acts like probes. By complementarity, the genes corresponding to this probes that are being expressed at some time will attach to it. Probe-target hybridization is usually detected and quantified by detection of a fluorophore compund, a silver stained, or chemiluminescence-labeled targets.
<span>The question says, the tendency of water molecules to attract one another due to polarity is called .....................The correct answer is Cohesion. Cohesion is the attraction of water molecules to one another while adhesion is the attraction of water molecules to other substances. Cohesion of water molecules occurs as result of charge differences between the molecules of water.</span>