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aleksley [76]
3 years ago
7

When a skeletal muscle contracts, what is happening at the level of the muscle proteins?

Biology
1 answer:
Margaret [11]3 years ago
6 0
Bulk flow systems move substances faster than simple diffusion.
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Specific dye bind to specific nucleotides.
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Which phylum forms a connection between the chordates and the nonchordates? The phylum forms an evolutionary connection between
iris [78.8K]

Answer:

The phylum Hemichordata is the one that could form an evolutionary connection between the chordates and non-chordates.

Explanation:

To the phylum Hemichordata belongs a genus that scientists believe could explain how the chordates could evolve from the non-chordates. This genus is Balanoglossus, of the class Enteropneusta.

Balanoglossus is similar to a worm, whose habitat is the seabed, and like other hemicordates it has a stomach, a structure that forms part of its digestive system and fulfills the functions of a spine.

Learn more:

Chordates and non-chordates brainly.com/question/1387264

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3 years ago
Name two categories used to classify properties of matter
Igoryamba
The two  cateogaries of matter are intensive and extensive.


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The effect of nicotine to indirectly inhibit ________ may explain the weight gain associated with ________.
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4 0
3 years ago
William Butler Yeats's poem "The Municipal Gallery Revisited" uses what type of rhyme?
ivann1987 [24]
<span>William Butler Yeats's poem "The Municipal Gallery Revisited" uses   the rhyme and these are
Slant rhyme
As the rhyme changes throughout the poem so it cannot be the strict one and it cannot also be the double or others 
so correct option is D
hope it helps</span>
4 0
3 years ago
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