Which Example is a way that intercellular communication occurs

Chemistry

1 answer:

Blababa [14]3 years ago

5 0

Answer:

B) A signal is sent from a nerve cell to a muscle cell.

Explanation:

The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron. The neuromuscular junction is the name of the place where the motor neuron reaches a muscle cell. Skeletal muscle tissue is composed of cells called muscle fibers.

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your aunt tells you that she gets cold when the temperature falls below 60 degrees. does she mean Celsius or degrees Fahrenheit?

mestny [16]

Fahrenheit. 60 degrees celcius is 140 degrees fahrenheit, which is very hot.

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3 years ago

Which ionic compound is soluble in water pbbr2, fe (oh)3,ca(no3)2, baso4?

Anton [14]

Ionic compound are those compounds which are made up of ions. The ion which has tendency to loose electrons is said to cation (positive charge) such as metals whereas ion which has tendency to gain electrons is said to anion (negative charge) such as non-metals.

Calcium nitrate is quite soluble in water due to very low lattice enthalpy in comparison to other ionic compound. With lower lattice enthalpy, less energy is required for the dissociation of calcium nitrate and it get dissolves in water than other three compounds. Moreover, hydration energy is higher for calcium nitrate which make its solubility higher in water than other ionic species.

Thus, $Ca(NO_{3})_{2}$ is correct answer.

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3 years ago

Consider the hypothetical serine protease, which shows the specificity pockets. The S1 pocket has a glutamic acid in the bottom,

BigorU [14]

Answer:

See explaination

Explanation:

Hydrophobic literally means “the fear of water”. Hydrophobic molecules and surfaces repel water. Hydrophobic liquids, such as oil, will separate from water. Hydrophobic molecules are usually nonpolar, meaning the atoms that make the molecule do not produce a static electric field.

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