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VARVARA [1.3K]
3 years ago
15

The muscle fibers within muscle cells are divided into myofibrils, which are further divided into _____, the contractile units o

f muscles.
Biology
1 answer:
alex41 [277]3 years ago
3 0

Answer:

the answer is sarcomeres

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A researcher sequences the genome of a variety of bacterial and eukaryotic cells. She finds that the bacterial genome is smaller
grigory [225]

From this observation, it is possible to conclude that there are more repetitive sequences in the eukaryotic DNA than in the bacterial DNA. Prokaryotic genes do not contain introns.

Introns are internal non-coding segments of eukaryotic genes that must be removed to produce the final mature mRNA.

In prokaryotic genomes, there are no introns, and genes are expressed in groups known as operons.

Eukaryotic genomes contain highly repetitive intergenic (regulatory) and intragenic (introns) non-coding regions.

Learn more about eukaryotic DNA here:

brainly.com/question/13426587

4 0
3 years ago
The digestive system is critical to maintaining a healthy body because
masya89 [10]
The answer is D.

It is the most needed because if the waste of the body doesn't get removed then you will become very ill and possibly die.

Hope this helps! :) 
8 0
4 years ago
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list two of your favorite foods. Then, explain how the sun's energy helped make those foods available to you
puteri [66]
Pizza - The sun's energy helped make the pizza because the various ingredients required sunlight, either directly, or indirectly. For example, the cheese is made from cow's milk, and the cow's milk comes from a cow who eats grass (presumably), and the grass feeds off of the sun's energy through photosynthesis. Thus, the cheese is indirectly made with sunlight. Also, the grains used to create the flour used to make the dough used sunlight to grow. Finally, the tomato sauce is made from tomatoes, which are a plant that required sunlight to grow.

I only did one example, but I hope you can make another one with the information I provided yourself! Good luck. :)
4 0
3 years ago
The assembly of proteins in a cell takes place in the
nadezda [96]
Endoplasmic reticulum.
6 0
3 years ago
Gregory is studying Lake Mairead. The lake has clear water and supports a healthy community of algae, fishes, and other aquatic
mihalych1998 [28]

Answer:

Through the process of Anthropogenic additions of N and P to the fresh water system can provide a strongest evidence for the above mentioned hypothesis.

Explanation:

As phosphorus is less mobile than nitrogen compounds, it is less likely to be found in fresh water where the organisms fail to access it. Phosphorus bounds mostly in the terrestrial ecosystem and in the aquatic matters because it has a sticky compound.

Thus it is a limited nutrient in freshwater lake like Mairead. However, this hypothesis can be different depending on other factors. Like, by adding anthropogenic N and P, this balance can be affected largely.

3 0
4 years ago
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