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Biology

How are infectious diseases passed from one person to another?

How are infectious diseases passed from one person to another? Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another. This can happen when an individual with the bacterium or virus touches, kisses, or coughs or sneezes on someone who isn’t infected. What are three ways […]

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What is the active form of fibrinogen?

What is the active form of fibrinogen? Fibrinogen is a soluble macromolecule, but forms an insoluble clot or gel on conversion to fibrin by the action of the serine protease thrombin, which is activated by a cascade of enzymatic reactions triggered by vessel wall injury, activated blood cells, or a foreign surface (Fig. What does […]

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What are the 4 different cake making methods?

What are the 4 different cake making methods? Different Methods of Baking Cakes The All-in-One Method. This is a quick and easy way of preparing all types of cakes other than the fatless sponge. The Creaming Method. This is the traditional method of cake making. The Rubbing-in Method. The Melting Method. The Whisking Method. Temperature. […]

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What type of cell causes apoptosis?

What type of cell causes apoptosis? Killer lymphocytes How do you induce apoptosis in cells? Chemical induction of apoptosis Set up your cells for treatment: inoculate adherent cells into 10 cm2 tissue culture dishes or suspension cells into T75 flasks at a concentration of ~106 cells/mL. Add cellular damaging agents at the recommended concentrations to […]

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What process leads to antibiotic resistance?

What process leads to antibiotic resistance? Antibiotic resistance occurs when bacteria change in response to the use of these medicines. Bacteria, not humans or animals, become antibiotic-resistant. These bacteria may infect humans and animals, and the infections they cause are harder to treat than those caused by non-resistant bacteria. What are the two mechanisms through […]

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What is minute ventilation measured in?

What is minute ventilation measured in? Minute ventilation (VE) is the total volume of gas entering (or leaving) the lung per minute. It is equal to the tidal volume (TV) multiplied by the respiratory rate (f). Minute ventilation = VE = TV x f At rest, a normal person moves ~450 ml/breath x 10 breath/min […]

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