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Describe the following type of antimicrobial and how prokaryotes would (generally) respond to it: bacteriostatic
Bacteriostatic antimicrobial agents inhibit multiplication of bacteria without actually killing them. A bacteriostatic drugs maintain the balance in favour of the host defence mechanisms. Most bacteria become resistant to bacteriostatic...
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Describe the following type of antimicrobial and how prokaryotes would (generally) respond to it: bacteriocidal
Bacteriocidal: these can be defined as a treatment of a bacterium in such a way the organism is killed. Prokaryotes are organisms whose cells do not contain a distinct nucleus, bounded...
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This question is a better fit for Molecular genetics = Molecular biology + Genetics
Why are mutant tumour-suppressoor genes and oncogenes generally recessive and dominant respectively?
This fact can be easily explained from the functions of these genes. Tumour-suppressing genes “watch” cellular proliferation, differentiation, genome integrity etc. So, they have to be active constantly. Every cell...
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Why are uncompetitive and mixed inhibitors generally considered to be more effective in vivo than competitive inhibitors?
In competitive inhibition, the substrate and inhibitor cannot bind to the enzyme at the same time.the substrate and inhibitor compete for access to the enzyme's active site. In vivo, substrate...
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Describe how the high level of cholesterol metabolism can be regulated: a. At the transcriptional level (Sterol dependent regulation)b. At the hormonal level
a. In mammals, intracellular levels of cholesterol and fatty acids are controlled through a feedback regulatory system mediated by a family of transcription factors called sterol regulatory element-binding proteins (SREBPs)....
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What hormone, when injected into virgin female rats, causes them to exhibit maternal behaviors, such as building a nest?
thyroxine
oxytocin
insulin
adrenocorticotropic hormone
oxytocin
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Why can photosynthesis be generally considered as a redox process?
Photosynthesis is a redox process where oxidation and reduction both occurs. During photosynthesis, water gets oxidized to oxygen (O2). In photosynthesis, CO2 gets reduced to carbohydrates.NADP+ getting reduced to NADPH...
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Generally, is glycolysis endergonic or exergonic? Explain your answer briefly.
Both, some steps are endergonic and some steps are exergonic. However, overall it is exergonic and occurs with a large decrease in free energy.
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describe how gene expression is regulated ?
Eukaryotic gene expression is regulated during RNA processing and transcription (occurring in the nucleus), and protein translation (occurring in the cytoplasm). Further regulation can occur through post-translational modifications of the...
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