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Alexxx [7]
3 years ago
6

A myofibril is a cylindrical bundle of contractile myofilaments within the skeletal muscle cell. True or False

Biology
2 answers:
r-ruslan [8.4K]3 years ago
5 0

Answer:

True

Explanation:

A myofibril also called muscle fibril found in muscle cells, it is composed of thick and thin filaments of protein Myosin and Actin respectively.

vlada-n [284]3 years ago
5 0

Answer:

The statement is true.

Explanation:

The cells that make up the skeletal muscle are called muscle fibers or myofibril, they are long cylindrical structures surrounded by a plasma membrane called sarcolemma. Myofibrils are recognized as the "contractile elements" of muscles in vertebrate animals, they are composed of contractile filaments also known as myofilaments. They also have several types of proteins that give them elastic and retractable characteristics.

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When colorblind women married a male with normal vision, all their daughters have normal vision and all their sons are colorblin
worty [1.4K]

Answer:

X-linked recessive

Explanation:

The trait is a sex-linked trait because the daughters are not colorblind, but the sons are. We know this its recessive because the daughters have inherited the mother's X chromosome that has the colourblindness trait, but are not colorblind because the father's X does not have the colourblindness trait. The sons are colourblind because they inherited the X from their mother with the colourblindnese trait and a Y from their father. The colourblindness trait or normal vision trait is not carried on the Y, so the mother's X chromosome's trait is expressed.

Sorry if it's confusing i tried my best to explain it

8 0
3 years ago
If we put a plant and animal cell into a solution that contains no solutes at all , the solution is______
frosja888 [35]
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Which organisms are affected most by biological magnification?
ASHA 777 [7]

Answer:

This is biomagnification, and it means that higher-level predators-fish, birds, and marine mammals-build up greater and more dangerous amounts of toxic materials than animals lower on the food chain. In this activity you will explore the biomaginification of toxic chemical, mercury, through a simple marine food chain.

Explanation:

6 0
3 years ago
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Which diagram or diagrams represent a mixture
777dan777 [17]
To substances that are bonded together but can be taken apart
8 0
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Which graph should be used to represent the percent composition of the human body?
ollegr [7]

Answer:

Hey Friend....

Explanation:

This is your answer.....

<h3><em>Pie chart</em></h3>

<em>Use pie charts to compare parts of a whole. They depict a single point in time rather than changes over time. A pie chart can display percent composition, such as the composition of air</em><em>.</em>

Hope it helps!

Brainliest pls!

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