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Aneli [31]
2 years ago
5

Need this bad please help me

Biology
1 answer:
svlad2 [7]2 years ago
3 0

50% if the B blood type parent is heterozygous

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The interaction between which protein and ion initiates muscle coupling?
labwork [276]

Answer:

Troponin and calcium ions.

Explanation:

Troponin is a component of thin filament along with tropomyosin and actin. It is a protein complex to which calcium binds and start the production of muscular force.

Calcium also playing a very important role in muscle contractions, it binds with troponin and helping to move tropomyosin.

When calcium ion attached to troponin, then conformational changes occurs in troponin shape and moves which allow tropomyosin going away from its inhibitory position from the myosin-binding sites on actin. After this, the energized myosin head starts binding to the actin molecules and starts the cross bridge cycle, which helping in shortening the muscle's fiber.

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3 years ago
A plastic rod becomes negatively charged when it is rubbed with a piece of wool. how does the rob become charged?
gavmur [86]
Electrons are being transferred to the rod therefore giving a negative charge
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3 years ago
Describe how absorption and scattering can affect a beam of light
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absorption may absorb light from the beam of light and scattering may change the beam of light's direction

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Explain how bias can effect an experiment. Also, why is critical thinking, and the scientific method so important when study psy
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7 0
3 years ago
Select all the correct answers.
Firlakuza [10]

She introduced at least one confounding variable.- She tried to test multiple hypotheses at a time

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