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andreev551 [17]
3 years ago
6

What is the role of the sarcoplasmic reticulum in muscle contraction?

Biology
1 answer:
Alexxandr [17]3 years ago
4 0

Answer:

The sarcoplasmic reticulum contain calcium ions in skeletal muscles which is involved in muscle contraction.

Explanation:

Sarcoplasmic reticulum is an intracellular system of closed saclike membranes involved in the storage of calcium in skeletal muscle cells. The sarcoplasmic reticulum regulates the concentration of calcium and determine muscle contraction.

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What is the MAIN use of amino acids by the cells?
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Explanation:

They're vital for functions such as protein synthesis, tissue repair and nutrient absorption for the body. Some may also prevent muscle loss and improve mood, sleep, athletic performance and weight loss.

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3 years ago
Golf drives travel much farther than Major League home runs. Why might this be?
PtichkaEL [24]

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Explanation:

With much lower gravity and much less air resistance, the golf ball will stay airborne longer and travel farther.

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3 years ago
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Animals in phylum Arthropoda generally have these characteristics in common.
umka21 [38]

Answer:

Chitinous exoskeleton and segmented bodies​.

Explanation:

Phylum Arthropoda are known as jointed legs species which include crabs, spiders, ants, etc. The important characteristic of Arthropoda is they have a hard chitinous exoskeleton that provides them protection and gives flexibility. These phylum species can survive in both terrestrial and marine habitats. Some characteristics of phylum Arthropoda are given below:

1) They have Chitinous exoskeleton which is hardened.

2) Their digestive tract is present at opposite ends of the body and complete with the mouth and anus.

3) They contain jointed limbs.

4) The body structure of these species is showing bilateral symmetry.

5 0
4 years ago
What is true of stomata? They take in oxygen and release carbon dioxide. They take in water and release carbon dioxide. They tak
lorasvet [3.4K]
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4 years ago
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The data indicate the populations of mammals in the Florida Everglades in different years over the past two decades. The Burmese
Oduvanchick [21]

Answer:

The correct hypothesis would be - C) Burmese pythons lack natural predators and can utilize a wide variety of food sources in the Everglades.

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These snakes depend on both types of food which means they are omnivorous and eat both herbivore and carnivores prey.

Thus, the correct answer is - Burmese pythons lack natural predators and can utilize a wide variety of food sources in the Everglades.

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