Consider: Protein synthesis occurs
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Protein synthesis occurs Video
Protein Synthesis Animation VideoProtein synthesis occurs - think
Useful Comments: 0 Mohammad Butterscotch How does protein synthesis differ in prokaryotes and eukaryotes? Explanation: Prokaryotic protein synthesis can be fairly fast because one gene can be transcribed and translated simultaneously. Eukaryotic synthesis is slower, but more precious. Why is protein synthesis different in prokaryotes and eukaryotes answers com? How does protein synthesis differ between prokaryotes and eukaryotes? One way that protein synthesis differs between prokaryotes and eukaryotes is that gene groups that produce proteins are organized into operons in prokaryotes, but they are not organized into operons in eukaryotes. How does protein synthesis differ between prokaryotes and eukaryotes quizlet? Prokaryotic protein synthesis uses 70 S ribosomes and eukaryotic protein synthesis uses 80 S ribosomes.
Post-prandial changes in protein synthesis have been studied in a range of animal taxa but have been little studied in fish larvae. Using the flooding-dose method, we measured post-prandial changes in whole-body rates of protein synthesis in regularly fed red drum Sciaenops ocellatus Linnaeus larvae for 24—28 h following their daily meal.
This suggests that during the post-prandial peak, protein synthesis will require a large proportion of the hourly energy protein synthesis occurs, which, given the limited metabolic scope in fish larvae, may limit the energy that could otherwise be allocated to other energy-costly functions, such as foraging and escape responses.
How does protein synthesis differ in prokaryotes and eukaryotes?
Protein breakdown, part of the continual cycle of protein turnover whereby existing organismal proteins are broken down and replaced by newly synthesised proteins Protein synthesis occurs et al. Because of its central role in energetics and growth, animal physiologists have shown much interest in the study occusr protein metabolism i. Protein synthesis occurs larval period in fishes has been recognised as a crucial stage in the life visit web page, characterised by two energy-costly processes, both of which rely on protein synthesis: ontogeny rapid differentiation of new tissues and organs and rapid growth increase in body size Fuiman, Fish larvae face considerable challenges in maintaining energy balance Wieser, ; Pedersen,yet data on rates of protein synthesis in fish larvae are much more scarce than for juvenile or adult fishes because of methodological problems of adapting existing protein synthesis techniques to work with fish larvae Houlihan et al.
Most studies of fish larvae have focused on relating rates of protein synthesis to growth and determining the energetic costs of protein synthesis Houlihan et al. Following a meal, a series syntbesis physiological changes occurs in animals as they digest, absorb and assimilate ingested nutrients Carter et al. The post-prandial increase in metabolic protein synthesis occurs, known as specific dynamic action SDAis the most studied physiological response to ingestion of nutrients as it provides an integrated measure of the energy expended on all activities of the body involved in the occur of a meal McCue, ; Secor, Because protein synthesis represents the major energetic cost of processing a meal, post-prandial changes in protein synthesis have been studied in a range of animal taxa: crustaceans e.
Houlihan et al. McMillan and Houlihan, ; Lyndon et al. Yaman et al. Simon and Bergner, ; Yoshizawa et al.
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McNurlan et al. For juvenile and adult fishes, there are tissue-specific and temperature-dependent responses in the timing and magnitude of the post-prandial peak in protein synthesis Protein synthesis occurs and Houlihan, ; Fauconneau et al. In contrast, knowledge of post-prandial changes in protein synthesis in fish larvae is limited to a single study Houlihan et al. One feature common to all studies of the post-prandial response of protein synthesis in fishes is limited sampling over time following a meal.
Most studies have sampled at 2 to 12 h intervals over a 12—24 h period after feeding McMillan and Houlihan, ; Prptein and Houlihan, ; Fauconneau et al. This can result in either an incomplete time course when the response extends beyond the sampled period e. Lyndon et al.
Conclusions about the timing and magnitude of post-prandial changes in protein synthesis may be improved by more regular sampling over time following a meal. In addition, many studies of post-prandial changes in protein synthesis have starved fish for 6—7 protein synthesis occurs prior to refeeding and measuring rates of protein synthesis McMillan and Houlihan, ; McMillan and Houlihan, ; Fauconneau et al. The aim of this study was to measure post-prandial changes in whole-body rates of protein synthesis in regularly fed red drum Sciaenops ocellatus Linnaeus larvae.]
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