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3 years ago

The points of muscle attachment are known as the

Biology

1 answer:

Alik [6]3 years ago

3 0

Answer:

Origin and Insertion

Explanation:

The origin is the point of attachment of a muscle that remains relatively fixed during contraction.

The insertion is the point or mode of attachment of a skeletal muscle to the bone or other body part that it moves.

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Why is circular doubled stranded DNA the preferred

Verizon [17]

Answer:

An example of circular double-stranded DNA molecules is the mitochondrial genomes that are 16,569 bp long and are present as one or more copies within all mitochondria of a cell. Thus mitochondrial DNA (mtDNA) is present in hundreds to thousands of copies per cell.

mtDNA is maternally inherited, so siblings will share the same DNA as their mother but not that of the father.

mtDNA is present in cells at a high copy number.

mtDNA is typically sequenced in the two hypervariable regions.

Explanation:

mtDNA is useful primarily for identity testing. mtDNA analysis may become essential when only a distant relative is available for a reference specimen.

In database searches of autosomal STR data from unidentified human remains or missing person relatives, the algorithms for the search often produce several potential matches, and mitochondrial DNA analysis is needed to identify the true match.

Deficiency wise, pathological alterations of mtDNA may occure and, it fall into three major classes: point mutations, deletion-duplications and disordered mtDNA content, that is, copy number.

On how to overcome these deficiency, the maintenance and integrity of the mitochondrial genome depend on several poorly understood factors.

Theoretically, defects in any of the proteins involved in mtDNA replication might affect mtDNA copy number. MtDNA replication is also highly dependent on mitochondrial dNTPs supply, and mutations in several genes involved in mitochondrial dNTP synthesis may therefore cause MDS (Mitochondrial DNA depletion syndrome).

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3 years ago

Sea turtles return to the same beach they hatched on

Galina-37 [17]

If it’s a true or false question, then this is true. their instincts allow them to return to the beach they originally hatched from

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3 years ago

Read 2 more answers

What are the three things the inner lining of the stomach secretes?

never [62]

Answer:

<h2>The innermost lining of the stomach secretes mucus, hydrochloric acid as well as certain types of digestive enzymes to digest or breakdown the food present in the stomach.</h2>

Explanation:

<h2>PLEASE MARK ME BRAINLIEST AND FOLLOW M E AND SOUL DARLING TEJASWINI SINHA HERE ❤️</h2>

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3 years ago

What is the smallest working unit of living things?

Ede4ka [16]

A. the cell is the smallest working unit of living things

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3 years ago

Answer these two please

Svetradugi [14.3K]

The answer to question one is a dissecting microscope.
The answer to question two is the third option about three-dimensional images

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3 years ago