Answer:
The correct answer is - Jovian planets are mostly gas and liquid, terrestrial planets are solid and rocky.
Explanation:
Jovian planets also are known as gas planets due to the fact that they are made of gases. These planets are thick or dense with a large size in comparison to the terrestrial planets. These planets have more moon and termed as outer planets.
Terrestrial planets are made of the rocky surface that is denser than gas planets. These planets are known as inner planets. These planets are comparatively smaller and have less or no moons.
For the transport of metals across the fluids and the body membranes, the intracellular potential is needed. But sometimes due to the toxicity of lead, the process is affected especially in the digestive tract.
How bioaccessibility of lead is affected in the human digestive tract?
Both the organic (tetra alkyl lead) and inorganic forms of lead have been demonstrated to be extremely hazardous in experimental studies. This lead absorption, which typically occurs by inhalation or food contamination, is influenced by variables including absorption rate, particle size, and solubility. The majority of the lead that is inhaled is in tissues that contain minerals. Following speciation, Lead's binding power increases in comparison to Zinc and Calcium, which has an impact on fluidity. Lead's bioavailability seems to be reduced when food is present. The concentration of lead may also be reduced by pyromorphite. Since solid state speciation happens when the pH is between 6 and 7, Now, this results in a change in circumstances from the stomach to the intestinal tract, leading lead to transform into lead phosphate, which is less soluble and reduces bioaccessibility.
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Diffusion across the alveoli
Answer:
This question lacks options, options are: a. beta-D-fructofuranose b. amylose c. uronic acid d. N- acetylglucosamine. The correct answers are c and d.
Explanation:
Glycosaminoglycans are very long, unbranched polysaccharides, made up of repeating units of disaccharides. One of the disaccharides is always an amino sugar, which can be N- acetylglucosamine. The other is uronic acid (it can be iduronic acid or glucuronic acid and is often sulfated at position 2). The amino sugar is usually sulfated and the rest of the sugars have carboxyl groups, which give the structure a negative charge, which attracts a large amount of cations such as sodium. Glycosaminoglycans are often covalently bound to proteins to form proteoglycans. Hyaluronic acid is the only glycosaminoglycan that does not form protein bonds and does not have sulfate groups in its structure.
The answer is passive transport does not require energy and moves materials from areas of relatively higher to lower concentration.
Passive transport is a movement of ions and other atomic or molecular substances across cell membranes without need of energy input. Unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.
