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Romashka [77]
4 years ago
10

choose the term that best completes the sentence: Absolute dating allows a scientist to determine the.. A: exact age of a sample

B: the age range of a rock and fossil samples C: the age of a sample in relation yo othet samples in the area D: the age range of only rock samples
Biology
1 answer:
monitta4 years ago
7 0
I think the answer would be a.
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A red blood cell with an osmolarity of 300 mOsM (non-penetrating solutes) swells but does not lyse when placed in a 300 mOsM sol
Mashcka [7]

Answer:

See below for answer

Explanation:

<u>A. 200 mOsM NaCl</u>

This solution is hypotonic to the red blood cell (RBC) with penetrating solute. The RBCs will swell up and burst because the water will move into the cells.

<u>B. 400 mOsM urea</u>

This solution is hypertonic to the RBCs with non-penetrating solutes. Water will leave the cells via osmosis and the cells will shrink and appear shriveled.

<u>C. 100 mOsM urea plus 200 mOsM NaCl</u>

This time both penetrating and non-penetrating solute is present. The solution is isotonic to the RBCs and although there will be movement of water between the cells and the solution, there will be no overall change in the concentration of water for each and no change in appearance of the cells.

<u>D. 300 mOsM urea</u>

The RBCs will not lyse nor shrivel as again the solution is isotonic to the RBCs.

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3 years ago
What is the role of wax to an organism?
adell [148]
For example bees they use wax to build shelter
8 0
4 years ago
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A major function of the human urinary bladder is
ioda
The answer is A, storing urine until it is eliminated.


The bladder stores urine, allowing urination to be infrequent and controlled. The bladder is lined by layers of muscle tissue that stretch to hold urine. The normal capacity of the bladder is 400-600 mL. During urination, the bladder muscles squeeze, and two sphincters (valves) open to allow urine to flow out.
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In coccidioidomycosis, _______ containing many endospores form in the lungs.
dolphi86 [110]

Answer:

spherules

Explanation:

Like histoplasmosis, coccidioidomycosis is acquired by the inhaling fungal spores.

<u>Arthrospores are formed by the hyphal fragmentation in this case. Once in body, fungus differentiates into the spherules which are filled with the endospores. </u>

Most of the C. immitis infections are self-limiting and asymptomati. The endospores are transported in blood, disseminating infection and thus leading to formation of granulomatous lesions on face and nose. I

<u>Thus, spherule is a thick-walled spherical structure which encloses the endospores and occurring in parasitic form of the fungi of genus Coccidioides.</u>

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What should scientist do after completing a scientific investigation
Genrish500 [490]

Answer:

confirm the results if you're using edge

Explanation:

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