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Many of the antibiotics used in humans and other animals to treat bacterial infections specifically inhibit ribosome activity in the disease-causing bacteria, without affecting ribosome function in the host-animal's cells. These antibiotics work by binding to a protein or RNA target in the bacterial ribosome and inhibiting translation.
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Two scenarios:
1. If you have a bacterial cell in a salty environment then transfer to fresh water What structure prevents the cell from rupture?
2. What bacterial cell do you find peptidoglycan?
1. The cell wall protects the bacteria cell from rupture. 2. The peptidoglycan can be found in any bacterial cell, but, depending on the quantity, bacteria are divided into gram...
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Q.2 For the nitrogen molecule, calculate the following: i) Translation energy per molecule at 300K ii) Translation energy per mole at 300K iii) Number density at 298.2K iv) Concentration at 298.2K
KE per molecule = 3/2 kT = 3/2 * 1.38e-23 * 300 = 6.21e-21 (J) KE per mole: 3/2 RT = 3.74 kJ In the next calculations, it is suggested...
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what type of immunity (Non-specific, Anti-body mediated, cell-mediated) is expressed in Bacterial Septicaemia (Bacterial contamination in systemic circulation)?
During the first days of the bacterial contamination of systemic circulation (bacterial) septicemia), non-specific immunity is activated. The process is associated with the increased expression of proinflammatory cytokines (i.e., TNF-α,...
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What cell organelles would you expect to occur in large numbers in a cell with the following function?
Function: An animal cell (human liver cell) that is involved in detoxifying alcohol.
It is smooth endoplasmic reticulum. This organelle is responsible for detoxification.
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What about the polarity of microtubules in interphase cell, nerve cell, dividing cell and ciliated cell
A microtubule refers to as polymer of globular tubulin subunits, that have been arranged in a cylindrical manner. Microtubule emerges from microtubule-organizing center (MTOC. The (MTOC) helps in organizing the...
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what is the translation ?
Why did the raisin go out with the plum?
Because he couldn’t find a CTA-CGC-TGA-CTC.
mRNA transcript: GAU GCG ACU GAG
Translation:
Translation is a process of synthesis of protein using mRNA as a template. Each codon (three nucleotides) corresponds to a certain amino acid that is included into the protein. The...
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If the amount of DNA in a cell at G1 of the cell is 10 picograms (pg); what will the amount of DNA in that cell be at G2 phase of the cell cycle? Explain why?
12During the second gap phase, or G_22start subscript, 2, end subscript phase, the cell grows more, makes proteins and organelles, and begins to reorganize its contents in preparation for mitosis. G_22...
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Individual bacterial cells may have plasmids with the genes that protect the bacterial cells from antibiotics. Explain how this trait may be passed on to other bacterial cells in the colony
Plasmids can transfer between different bacteria. This means that a bacterium can become resistant to multiple antibiotics at once by picking up a single plasmid. They then become multidrug-resistant. Furthermore,...
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What Is the number of centromeres in a cell in
1-anaphase of mitosis
2- anaphase I
3- anaphase 2
Considering that the cell is a human cell
anaphase of mitosis - 92 (each chromatid has a centromere)anaphase 1 - 46 (homologous chromosomes separate, while chromatids remain attached)anaphase 2- 46 (each chromatid has a centromere, the chromosome complement...
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The final codons that interrupt synthesis in the polypeptide chain are? 1) AUA, UAA, UGG 2) UAA, UAG, UGA 3) AAU, GGA, GAU 4) AGU, GUA, AGU
2) UAA, UAG, UGA
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