Density is a physical property of substances that compares the relationship between volume and mass. Density is affected by temperature because as temperature increases so does the kinetic energy of the particles. Please give me the brainliest answer?
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We are given following options:
<span>A) Very bright, extremely massive stars with varying temperatures
</span><span>B) Dead stars that shine with the last of their thermal energy
</span><span>C) Stars in the main part of their life cycle
</span><span>D) Very bright, massive stars with relatively low temperatures
Correct answers are:
</span><span>Dwarfs B)
</span><span>Giants D)
</span><span>Main sequence stars C)
</span><span>Supergiants A)</span>
A release factor is a protein that allows for the termination of translation by recognizing the termination codon or stop codon in an mRNA sequence. They are named so because they release new peptides from the ribosome.
Th memory cells differ from the effector cells in that the memory cells live longer. Two types of cells are produced by the clonal selection, these are the effector cells and the memory cells. Effector cells are relatively short lived activated cells that defend the body in an immune response. Effector B cells are called plasma cells and secrete antibodies, and activated T cells include cytotoxic T cells and helper T cells, which carry out cell-mediated responses. The production of effector cells in response first time exposure to an antigen is called the primary immune response. The memory produced at this time and only become active in case of a re-exposure to the same antigen that stimulated their formation.