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djyliett [7]
3 years ago
13

The disease osteoporosis often results from insufficient intake of dietary calcium salts. Of the three samples of bone you teste

d in exercise 7-2, which is the most similar to the bones in osteoporosis
Biology
1 answer:
Fittoniya [83]3 years ago
6 0

The correct answer is the one that shows a bone having the most porous appearance inside.

Osteoporosis is a disease of the different types of bone tissue that make up bone ("cortical bone" and "trabecular bone").

It is a disease that is related to a decrease in the amount of bone tissue in the bones and / or an alteration of its structure: thinning of the cortex and bone trabeculae that become porous.

The cause is an imbalance between the deficit activity of osteoblasts and normal osteoclastic bone resorption.

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How do mountain barriers modify rainfall patterns on Hawaii's Big Island and island of Maui?
Iteru [2.4K]

The explanation is given below

<u>Explanation:</u>

Hawaii's Big Island:

Mountain barriers play a significant role in modifying the air masses and topography affects the distribution of precipitation.

The orographic effect takes place on Hawaii's Big Island (i.e) the rising air makes the windward side of the mountains rainy and leeward side of the mountains dry.

Island of Maui:

In the Island of Maui, the high mean of rainfall is found on the windward side of the mountain slopes and the low mean of rainfall is found on the leeward lowlands and on upper slopes of the highest mountains.

6 0
3 years ago
A student is studying the amino acid sequence of a protein shared by four organisms. The student wants to know which organism is
MariettaO [177]

Answer:

Organism D.

Explanation:

Amino acids are the monomers of proteins and are linked together by the peptide bond. The protein is obtained from the RNA molecules by the process known as translation.

The amino acid sequence of the proteins can also be used to study the evolutionary relationship between the organisms and the closeness of teh organisms with each other. In the question it is give that organisms A and D has least difference ( 1 amino acid sequence difference) and more related with each other.

Thus, the answer is organism D.

5 0
3 years ago
Translation ends when
Y_Kistochka [10]

<span>Translation

</span>Remember that transcription happens in the nucleus as it changes from DNA to mRNA.  In translation,
    the mRNA first has to leave the nucleus and go into the cytoplasm of the cell.  The process of translation actually occurs in the cell’s ribosomes.

<span>
</span>The process of translation uses the genetic code on the mRNA strand to direct the construction (making) of a protein molecule. <span>
</span>1.  A ribosome attaches to an mRNA molecule in the cytoplasm.<span>
</span>2.  As each codon passes through the ribosome, tRNA molecules bring the matching amino acids into the ribosome.  Each tRNA has a set of 3 unpaired nitrogenous bases called an anticodon which matches up with the codon coming through the ribosome.  So one end of a tRNA has an anticodon and the other end carries the amino acid which is how the code is translated.<span>
</span>3.  The ribosome and the rRNA molecules it contains attach the amino acids together as they are being translated.  The protein chain will keep growing until the ribosome reaches the stop codon on the mRNA.  At that point, translation is done and the ribosome lets go.


Hope this helps!!! 

6 0
3 years ago
A student does an experiment for a science fair to study whether temperature affects the timing of a cricket’s chirps. The stude
Hitman42 [59]
If the experiment was done correctly, it should be the number of crickets exposed to each different temperature.
3 0
3 years ago
Read 2 more answers
The ______ proton is found in the nucleus and represents the element's ____________. A) positive; symbol B) positive; atomic num
Artyom0805 [142]
B, proton is positive and it does not represent the symbol
8 0
3 years ago
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