Answer:
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Explanation:
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Anaphase is the fourth phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. Before anaphase begins, the replicated chromosomes, called sister chromatids, are aligned at along the equator of the cell on the equatorial plane. The sister chromatids are pairs of identical copies of DNA joined at a point called the centromere.
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During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle. The mitotic spindle is made of many long proteins called microtubules, which are attached to a chromosome at one end and to the pole of a cell at the other end. The sister chromatids are separated simultaneously at their centromeres. The separated chromosomes are then pulled by the spindle to opposite poles of the cell.
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Anaphase ensures that each daughter cell receives an identical set of chromosomes, and it is followed by the fifth and final phase of mitosis, known as telophase.
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Answer:
The cell bodies of sensory neurons that are in clusters of neurons outside the spinal cord are called ____
The answer is "dorsal root ganglia"
Explanation:
Explanations of some terms
Sensory neurons:
Sensory neurons, also known as afferent neurons, have cell bodies that are located in the dorsal ganglia (also known as spinal ganglia) of the spinal cord. Most sensory neurons have one axon which is split into two branches, they transmit impulses toward the spinal cord.
Spinal cord:
The spinal cord is a tubular structure composed of nervous tissue housed within the vertebral column, runs from the base of the brain to the lower spine. Spinal cord is a component of the Central Nervous System that serves as information highway the between brain and the body which Integrates and processes information. It can function with the brain and can also function independently of the brain.
Dorsal root ganglia:
Dorsal root ganglia also known as dorsal ganglia originated as bipolar cells. They exists within the peripheral nervous system and they have special nerve cell clusters that aid in transmitting the sensory messages of pain and touch. The dorsal root ganglia receive information from sensory receptor organs and transmitting the information to the central nervous system.
The proteins are biomolecules which can act as hormones and enzyme catalysts which can help in catalyzing the chemical reactions. They help in the transport of the molecules and cell membrane trafficking. The proteins are antibodies which can bind to antigens and the foreign materials. The genetic information is carried by the genes in the DNA, and not proteins.
Thus, the correct answer is option 'They contain genetic information.
Answer:
gain, rather than lose, heat by radiation.
Explanation:
The body is can lose the heat by evaporation, radiation, conduction, and convection. The sun transfers the heat on the earth through radiation which we absorb and our body temperature rises. The loss of heat from the body through radiation occurs normally when the air temperature is below 20-degree Celcius.
But in tropical regions, the temperature is very high so the gain of heat by radiation is more than the loss of heat by radiation which can lead to heatstroke in those people who do not have sweat glands because in this condition 85% of heat can be lost by sweating.
Answer:
Tooth enamel is the hardest substance in the body.
This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.
