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jonny [76]
3 years ago
9

Name and explain 3 ways minerals are different from each other

Biology
1 answer:
Rainbow [258]3 years ago
6 0
Shape, color and size
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Can increase biodiversity. (1 point)
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A: Changes in temperature

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Dr. Paul Ehrlich observed that the differential stain developed by Dr. Gram suggested bacteria could be killed differentially by
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d. Ribosome

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In humans 80s type of ribosome is present and in bacteria 70s type of ribosome is present. Human cells do not have cell wall while bacterial cells have peptidoglycan cell wall. These differences can be targeted by the potential antibacterial agents.

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Answer:

According to the sliding-filament model of contraction, the muscle contraction occur due to the myosin heads propel the actin myofilaments toward the center of the sarcomere. This pulls the Z disks closer together, shortening  sarcomere and the entire muscle

Explanation:

In the muscle fiber there are two proteins that facilitate the process of contraction, myosin and actin. Myosin is thicker and more abundant than actin, and its interaction is responsible for the process of muscle contraction.

Both molecules, myosin and actin, form bonds -called cross bridges- where the myosin heads produce the mobilization of actin towards the center of the sarcomere. Z discs are associated with actin myofibrils, so they come close, and promote the shortening of the sarcomere.

This process requires the action of calcium ions, which depolarize the muscle cell and consume energy in the form of ATP.

It should be noted that the myosin and actin molecules do not change their length, but their action causes the muscle fibers to shorten during contraction.

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Types of muscle contraction brainly.com/question/7117064

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A catalyst is not a product or a chemical reaction. Why not
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A catalyst speeds up or initiates a chemical reaction.  Please mark Brainliest!!!
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Animals perform cellular respiration.

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As plants release Oxygen through the process of photosynthesis, animals use this oxygen (as well as other inputs) to perform cellular respiration which releases Carbon Dioxide. Cellular respiration helps animals get the energy from sugar converted into more simple molecules such as ATP (Adenine Triphosphate).

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