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otez555 [7]
3 years ago
6

How are ecosystems named?

Biology
1 answer:
almond37 [142]3 years ago
7 0
<span>Ecosystems are named according to the vegetative inhabitants of the ecosystem which means that the answer is B. by the plants that inhabit the ecosystem. The plants themselves however depend on the climate that is found in the place where they are found, which means that they wouldn't be able to thrive and spread in any other ecosystems.</span>
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Muscle cells contain , a starch-like carbohydrate that provides energy during intense exercise.
nika2105 [10]

Explanation:

Glycogen is a complex carbohydrate that the body can easily and rapidly convert to energy. Glycogen is stored in the liver and the muscles. Muscles use glycogen for energy during periods of intense exercise. The amount of carbohydrates stored as glycogen can provide almost a day's worth of calories.

4 0
3 years ago
List five proteins of the myofilaments and describe their physical arrangement
alex41 [277]

The five proteins of the myofilaments are the following:

<span>1.  </span>Myosin, shaped like a golf club, with two polypeptides intertwined to form a shaftlike tail and a double globular head, or cross-bridge, projecting from it at an angle.

<span>2. </span>Fibrous actin is like a bead necklace—a string of subunits called globular (G) actin. Each G actin has an active site that can bind to the head of a myosin molecule.

<span>3. </span>Tropomyosin. It blocks the active sites of six or seven G actins and prevents myosin cross-bridges from binding to them when a muscle fiber is relaxed.

<span>4. </span>Troponin a smaller calcium-binding protein bound to each tropomyosin molecule.

<span>5. </span>Titin (connectin), run through the core of a thick filament, emerge from the end of it, and connect it to a structure called the Z disc.





6 0
3 years ago
When an action potential reaches the presynaptic terminal it causes channels to open?
Leokris [45]
Yes calcium ion channels open and cause the neurotransmitters to move as well
4 0
4 years ago
Which viral genome is likely to require an RNA-dependent RNA polymerase for transciption upon viral entry?
Inga [223]

Answer:

(-) sense single-stranded RNA

Explanation:

Negative sense refers to viruses that use the negative sense single stranded RNA as their genetic material.

It is essential for the negative viral strand is complimentary to the mRNA so it is converted to a positive RNA by RNA polymerase.  

Negative sense single stranded RNA virus require an RNA dependent RNA polymerase for transcription.  This is because it essential in encoding proteins by catalyzing the complimentary RNA strand to the given RNA tempelate.  

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A protein that is bound to a carbohydrate is called a.
Vitek1552 [10]

Glycoprotiens or carbohydrate

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3 years ago
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