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tresset_1 [31]
3 years ago
11

What result would you expect if a mutation eliminates one of the four arms of a tRNA? a) The tRNA will fit into the A site but w

ill not release the peptide at the P site. b) The tRNA will not be recognized by tRNA synthetase and cannot be charged. c) The tRNA will be charged with the wrong amino acid. d) The tRNA will not be able to undergo traditional complementary base pairing. e) There will be no effect on function, so long as the anticodon region is intact.
Biology
1 answer:
NNADVOKAT [17]3 years ago
5 0

Answer:

B

the trna will not be recognized by trna synthetase and cannot be charged

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Ecologists use survivorship curves to visualize how the number of individuals in a population drops off with time. By plotting t
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The wrong statement is C. <em>Individuals with Type Il survivorship exhibit high survivorship throughout </em>

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Explanation:

Different species have survival curves differently shaped. In general terms, there are three different survival curves.

  • Type I. Organisms do not tend to die when they are young or middle-aged, but they do when they are old. These species, in general, have a few descendants and parents provide much parental care to ensure their progeny survival. Typical of K selected species.
  • Type II. Organisms that have more or less the same probabilities of dying in each age interval. These organisms can also have a few descendants and they can provide significant parental care.
  • Type III. Only a few individuals survive their first period of life or their firsts years. However, the lucky ones to reach a certain age generally have a long life. These organisms have a lot of descendants at the same time, but they do not provide much parental care. Typical of r selected species.
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In chemistry class we learn the rule "like dissolves like" when studying why polar substances dissolve in each other (like sucro
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Explanation:

  • As per the question, the correct answer is to be chosen from the given options that is identical to the logic given in the statement of the question that is, "like dissolves like".
  • Polar molecules can get dissolved in water because they are hydrophilic or water-loving in nature. They have such functional groups in their structure which have the capability of forming hydrogen bonds with water molecules, hence get dissolved in water.
  • Non-polar molecules can get dissolved in non-polar solvents like fats and oils because either of them are hydrophobic or water-hating in nature. They have such functional groups which can form hydrophobic and Van-der-Waal's forces of interaction with each other , hence they get dissolved in non-polar solvents.
  • Polar and non-polar substances are unable to get dissolved in each other because the polar molecules are incapable forming hydrophobic or Van-der-Waals forces of interaction with the non-polar molecules and the non-polar molecules are incapable of forming hydrogen bonding with the polar molecules.
  • Trans-membrane proteins are those which remain integrated in the lipid bilayer of the plasma membrane and spans across the membrane forming a connection between the cell interior and the cell exterior.
  • They are required for transporting small polar molecules and ions across the plasma membrane.
  • The lipid bilayer of the plasma membrane is otherwise impermeable to the movement of polar molecules and ions due to the hydrophobicity of the lipid molecules.
  • The trans-membrane proteins are amphipathic molecules, that is, they are made up of both polar and non-polar amino acid residues.
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  • The polar amino acids face towards the channel or lumen formed by the protein across the lipid bilayer so that they can form hydrogen bonds with the polar molecules and ions which are transported across the plasma membrane.
  • Hence, like interacts with like.
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