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vfiekz [6]
3 years ago
12

What muscles are used in involuntary movements

Biology
2 answers:
Varvara68 [4.7K]3 years ago
8 0

<u>All muscles</u> are used in involuntary movements.

hope this helps!

marishachu [46]3 years ago
7 0

Answer: B, smooth

I hope this helps

           ~Princess <3

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A certain bacterial mRNA is known to represent only one gene and to contain about
Brut [27]

Answer:

C) 30,000

Explanation:

According to the given information, the bacterial mRNA consists of about 800 nucleotides. Three consecutive nucleotides together make one genetic codon which in turn codes for one specific amino acid in the protein encoded by this mRNA.  

So, an mRNA with 800 nucleotides will have total 800/3 = 266.67 or 266 genetic codes. The protein encoded by this mRNA would have a total of 266 amino acids.  

Given that one amino acid imparts 110 units to the molecular weight of the protein, the protein with 266 amino acids have the molecular weight= 266 x 110 = 29260, that is about 30,000.  

4 0
3 years ago
Please help me!!!! Describe industrial melanism and the effect it had on peppered moths.
Tema [17]

Answer:

The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. The frequency of dark-coloured moths increased at that time, an example of industrial melanism.

5 0
3 years ago
Bones function as levers for the muscles to provide movement of the body. What refers to increasing the angle of the joint, thus
tatuchka [14]

Answer:

Extension

Explanation:

Extension refers to a physical position that increases the angle between the bones of the limb at a joint. It is a posterior movement for joints that move backward or forward such as the neck and it happens when muscles contract and bones move the joint from a bent position to a straight position.

Extension of the a joint is limited to 180 degrees. if it goes beyond that, it becomes hyperextension.

Hyperextension is an extreme version of extension. it is an excessive joint movement in which the angle formed by the bones of a particular joint is straightened beyond its normal range of motion. this type of movement is unhealthy and may increase chances of dislocation.

6 0
4 years ago
Which of the following correctly describes the components of DNA?
snow_lady [41]
<span>DNA is made up of nucleotides consisting of the sugar deoxyribose, a phosphate, and one of four nitrogenous bases.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
</span>
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3 years ago
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AnnZ [28]
I believe the answer is C
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3 years ago
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