Urine's specific gravity, which is somewhat greater than that of water, is a crucial physical property.
Characteristics of urine:
- Osmolarity is typically harder to quantify than specific gravity, which measures the amount of solutes per volume of a solution. Because there are solutes in urine, its specific gravity is always higher than that of pure water (water = 1.0). Since specific gravity is a less precise predictor of urinary solutes, laboratories may now directly detect the osmolarity of urine.
- Osmolarity, or mOsmol/L, is the measure of how many osmoles or milliosmoles are present in a litre of a fluid. The osmolarity of urine can range from 50 to 100 to 1200 mOsmol/L of water.
Therefore, it is concluded that the correct solution is an option (D), i.e., slightly higher than water.
The complete question is:
An important characteristic of urine is its specific gravity or density, which is ________.
A. the same as water
B. less than water
C. much higher than water
D. slightly higher than water
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The answer is B. The higher the concentration of substrate, the FASTER a reaction happens (since there are more opportunities for molecules to collide in a way that favours the reaction), so B is an incorrect statement.
The other three options describe correct features of catalysts and/or enzymes (which are considered “biological catalysts”).
The tapeworm is a parasite, and the dog is a host.
The answer is <span>Special RNA polymerase, peptidoglycan in cell walls, ester-linked fatty acids.
Bacterial cell wall consists of peptidoglycans, not of cellulose or chitin. They also have ester-linked fatty acids, like eukaryotes. Ether-linked fatty acids are characteristics of Archaea. Also, bacteria have special RNA polymerase, unlike Eukaryotes that have three different type of RNA polymerase.</span>
Answer: Low levels of testosterone has been linked to joint pain and may cause rheumatoid arthritis in the long run. Rapid growth can lead to joint damage as <span>the accelerated bone growth disrupts the supply of blood to the cartilage, causing bone death and regrowth.
Hope this helps!</span>
