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son4ous [18]
3 years ago
10

Help. . . Due today

Biology
1 answer:
HACTEHA [7]3 years ago
4 0

Answer:

Hardness is one of the better properties of minerals to use for identifying a mineral. Hardness is a measure of the mineral's resistance to scratching. ... Softer minerals can be scratched by harder minerals because the forces that hold the crystals together are weaker and can be broken by the harder mineral.

Explanation:

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Crabtree effect on glycolysis
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Answer: 'At high fructose concentrations, respiration is inhibited while glycolytic end products accumulate, a phenomenon known as the Crabtree effect. It is commonly believed that this effect is restricted to microbial and tumour cells with uniquely high glycolytic capacities (Sussman et al, 1980).

Explanation: Sorry I dont really know a lot

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What are Tyrosine Kinase Receptor?
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Answer: Tyrosine Kinase Receptor

Explanation:

Receptor tyrosine kinases are the high-affinity cell surface receptors for many polypeptide growth factors, cytokines, and hormones. Of the 90 unique tyrosine kinase genes identified in the human genome, 58 encode receptor tyrosine kinase proteins.

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3 years ago
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Huge tunnels called burrows carry water into the dam to the fan-like turbines.
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Which organelle is responsible for converting sugar to ATP (a form of energy all cells can use)?
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A. because it is basically the powerhouses of the cell and they act like the digestive system.


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3 years ago
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The concentration of pathogen needed to kill 50% of an infected group of test animals is the __________.
natulia [17]

Answer:

LD50 (median lethal dose)

Explanation:

  • Whenever one needs to quantify the virulence of a pathogen then this is done by using a set of laboratory animals.
  • LD50 (median lethal dose) is an important indicator of virulence. 
  • LD50 is defined as the number of pathogens that are required to kill 50% of the total infected animals.
  • For the calculation of LD50, the animals are infected with a known number of pathogens and then a graph is plotted for the percentage of animals killed against the concentration of the pathogen used for infection.<em> The point at which the graph indicates the death of 50% animals, the corresponding concentration of inoculation of a pathogen is taken as the LD50 of that particular pathogen. </em>
6 0
3 years ago
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