The relative contribution that an individual makes to the gene pool refers to the proportion of genes that they pass on to their offspring compared to the genes passed on by other individuals in the population.
This concept is important in evolutionary biology because it helps to determine which traits are more likely to become more prevalent in future generations.
The relative contribution of an individual's genes can be affected by factors such as their reproductive success, the number of offspring they have, and the genetic diversity of the population.
In general, individuals with traits that enhance their reproductive success are more likely to make a greater relative contribution to the gene pool.
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put the events of transcription & translation in the correct order: 1. polypeptide folds into proper shape. 2. mrna moves to a ribosome. 3. amino acids are joined together. 4. mrna is synthesized.
The correct order of transcription & translation is
4. mRNA is synthesized.
1. mRNA moves to a ribosome.
2. Amino acids are joined together.
3. Polypeptide folds into proper shape.
The correct order of events in transcription and translation is:
4. DNA is transcribed into mRNA by RNA polymerase, creating a complementary RNA sequence. The newly synthesized mRNA moves from the nucleus to the cytoplasm where it binds to a ribosome.
1. The ribosome reads the codons on the mRNA and matches them with the appropriate tRNA carrying the corresponding amino acid.
2. As the ribosome moves along the mRNA, it joins the amino acids together in the correct sequence to form a polypeptide chain.
3. The polypeptide chain is released from the ribosome and begins to fold into its proper three-dimensional shape.
Therefore, the correct order is 4, 1, 2, and, 3.
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Chaperone proteins bind to mis-folded proteins to promote proper folding. To recognize misfolded proteins, the chaperone protein binds to: The signal sequence at the N-terminus of the misfolded proteinMannose-6-phosphate added in the GolgiPhosphorylated residues Hydrophobic stretches on the surface of the misfolded protein
Chaperone proteins recognize misfolded proteins by binding to hydrophobic stretches on the surface of the misfolded protein.
Chaperone proteins are specialized proteins that assist in the proper folding of other proteins. They do this by recognizing and binding to misfolded proteins and helping them adopt their correct three-dimensional structure. The chaperone protein achieves this recognition by identifying hydrophobic stretches on the surface of the misfolded protein. These hydrophobic regions are typically buried within the core of the properly folded protein, so their exposure on the surface is an indication of misfolding. By binding to these hydrophobic stretches, chaperone proteins can prevent the misfolded protein from aggregating or becoming toxic, and facilitate its refolding into its native structure.
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If you were to stick
a needle laterally
through the
abdomen, in what
layers would you
enter from
superficial to deep?
If a needle were to be inserted laterally through the abdomen, it would pass through the following layers from superficial to deep: skin, subcutaneous tissue, external oblique muscle, internal oblique muscle, transversus abdominis muscle, and peritoneum.
When inserting a needle laterally through the abdomen, it would traverse several layers. The first layer encountered would be the skin, which is the outermost protective layer of the abdomen. Beneath the skin lies the subcutaneous tissue, which consists of fat and connective tissue.
After passing through the subcutaneous tissue, the needle would enter the external oblique muscle. The external oblique muscle is the largest and most superficial of the abdominal muscles. It runs diagonally across the abdomen, with its fibers oriented in a downward and inward direction.
Next, the needle would pass through the internal oblique muscle, which lies beneath the external oblique muscle. The fibers of the internal oblique muscle run in the opposite direction to those of the external oblique, forming a perpendicular orientation.
Continuing deeper, the needle would encounter the transversus abdominis muscle. This muscle is the deepest of the flat abdominal muscles and runs horizontally across the abdomen.
Finally, the needle would reach the peritoneum, a thin membrane that lines the abdominal cavity and covers the abdominal organs. The peritoneum serves as a protective layer and plays a crucial role in various physiological processes within the abdomen.
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