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1 year ago

Disruption of the ________ of cardiac muscle tissue would interfere with the heart's ability to beat in synchronous fashion.

1 answer:

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Disruption in the intercalated discs in the cardiac muscles would interfere with the hearts ability to beat in synchronous manner.

The important salient features of intercalated disc are-

These intercalated disc in cardiac muscles of the heart create connections between nearby cells

The intercalated disc provides for coordinated operation of the cardiac cells and is highly specialised to facilitate the beating

Extensive folds and intercellular junctions for mechanical and electrical interactions between neighbouring cells make up the intercalated disc at the ends of muscle cells

The electrical characteristics of the cardiac muscle cells and the passage of electrical information from one region of the heart to another determine the rate at which the heart contracts and the synchronisation of atrial and ventricular contraction necessary for the efficient pumping of blood.

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In order to test the implications of early emotional bonding, scientists have done testing on infant emotionality by separating

timofeeve [1]

In order to test the implications of early emotional bonding, scientists have done testing on infant emotionality by separating animal babies from their natural mothers, allowing them to be raised by another of their same species. This testing strategy is called Cross fostering

Transfer of children between mothers is known as cross-fostering. This method is used to distinguish between environmental and genetic impacts on behavior.
Transferring some freshly born or hatched young of species A from their mother nest to the nests of species B is the primary process of cross-fostering.

A behavior can be proven to have a genetic foundation if cross-fostered offspring have a behavioral attribute that is distinct from that of their foster parents and similar to that of their biological parents.
Similarly, environmental variables are proven to be dominating if the offspring exhibits qualities that are different from those of their biological parents and comparable to those of their foster parents.
There is frequently a combination of the two, demonstrating both genes.
This can be utilized in selective livestock breeding to combine desirable genetic traits like weight, fat distribution, or looks with ones that are influenced by the environment, like temper.

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1 year ago

What is the average atomic mass of a sample that has two isotopes, one with a mass of 21 amu at 62% abundance and another with a

motikmotik

Answer:

Average atomic mass = 21.38 amu.

Explanation:

Given data:

Mass of first isotope = 21 amu

Abundance of first isotope = 62%

Mass of second isotope = 22 amu

Abundance of second isotope = 38%

Average atomic mass = ?

Solution:

Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100

Average atomic mass = (62×21)+(38×22) /100

Average atomic mass = 1302 +836 / 100

Average atomic mass = 2138 / 100

Average atomic mass = 21.38 amu.

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2 years ago

lidentity the cell organelles found only in plant cells and those found in boyh animal and plant cells

Svetach [21]

Answer:

cell wall is found only in plant cell

Explanation:

cell wall and chloroplast is found only in plant cell but cell membrane,nucleus cytoplasm, ribosomes etc are found in both plant and animal cell

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2 years ago

What molecules are needed to maintain homeostasis in biosphere 2

ruslelena [56]

Answer:

What molecules are needed to maintain homeostasis?

Homeostasis is maintained by many cellular processes that require ATP. Aside from enzymes the make and break bonds, other proteins that use ATP include protein pumps that move salts across a membrane.

Explanation:

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2 years ago

DNA replication is essential for which of the following processes? (SELECT ALL THAT

bixtya [17]

Answer:

cell division

growth and development

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