Answer: Diffusion
Explanation:
The osmosis is explained as the selective permeability of the membranes which allows the movement of the solute from higher concentration to lower concentration.
This is associated with diffusion which can be defined as the random movement of the particles in order to attain equilibrium.
The diffusion allows the movement of the particles and osmosis allows the movement of only selective materials.
Plantae
Archaea
Protista
Some prokaryotes originally classified under Bacteria are now classified as Archaea due their distinct molecular composition and structure. They are not classified as Fungi, Plantae, or Protista because these groups fall under the Eukarya domain whose organisms have a nucleus.
Some prokaryotes that were once classified in the domain Bacteria are now classified as Archaea. Both Bacteria and Archaea are prokaryotes, meaning they are unicellular organisms that lack distinct nuclei. However, Bacteria and Archaea are distinct from each other in terms of molecular composition and structure, leading to the separate classification of Archaea. They are not classified as Fungi, Plantae, or Protista as these groups are part of the Eukarya domain, which consists of eukaryotic organisms (organisms with cells containing a nucleus).
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B. distilled water
C. iron sulfide
D. oxygen gas
E. seawater
F. sodium chloride
Answer: db a
Explanation:
The correct answer is the option (A) heparin.
DVT refers to a condition called the deep vein thrombosis when a blood clot occurs in the deep veins of the legs in the body. PE refers to the Pulmonary embolism when a blood clot is observed in the artery of the lungs.
The drugs used in the treatment of DVT and PE are called the anticogulants which interfere with the process of blood clot formation. Heparin and warfarin are the two older anticoagulants used in the prevention and treatment and prevention of DVT and PE. Heparin is given intravenously to treat DVT and PE whereas, warfarin is taken as a tablet or pill through the mouth. Heparin allows the body's clot lysis mechanism to break down the existing clots and it is also a natural anticoagulant produced by the basophils and the mast cells of the blood.
Thus, heparin is the old drug that is used subcutaneously to prevent DVT in high-risk patients and intravenously to treat DVT and PE.
Answer:
This methodology enables to measure simultaneously both the result and exposure in the group under study
Explanation:
A cross-sectional method is a type of scientific design based on observational data. The cross-sectional studies involve the use of diverse groups that differ in the variable investigated but share other features (for example, individuals with the same educational background, ethnicity, economic status, etc). This class of studies is generally used in developmental psychology.
During an enzymatic reaction, their is an decrease in the concentration of substrate, an increase in the concentration of product, and no change in the concentration of the enzyme.
A reaction, which is mediated with the help of an enzyme is termed as enzymatic reaction. A substance, which functions as a catalyst in living organisms and regulate the rate at which the chemical reactions takes place is known as an enzyme.
The enzymatic reactions follows the lock and key model, in which the free enzyme combines with the substrate and forms the enzyme-substrate complex, this is further catalyzed into the enzyme-product complex, from which the free enzyme and product get discharged. The product never further binds with the free enzyme.
In the reaction, the substrate get used up thus its concentration decreases, while the formation of product takes place thus its concentration increases. However, there is no change in the concentration of the enzyme as it does not get used up in the process.
Thus, in enzymatic reaction, substrate decreases, product increases, and enzyme concentration remains the same.
Find out more information about enzymatic reaction here: