Muscle tissue is made up of cells that contract and release to produce movement. Which process provides the energy that the cells need to contract?A.respiration
B.meiosis
C.photosynthesis
D.mitosis

Answers

Answer 1

Answer:

Answer:

The correct answer is A.respiration

Explanation:

Cellular respiration is a process which produces ATP (adenosine triphosphate) and methabolites. ATP is an "energy coin" which provides energy for biochemical processes in all cells. The other options are not correct: meiosis is the division process of sexual cells, mitosis is the division process of somatic cells and photosynthesis ocurrs in plant cells to obtain energy (not in animal cells of muscle tissue).

Answer 2

Answer: I think you mean miosis because mitosis is cell reproduction, photosynthesis is to do with light, respiration is breathing and meiosis is division of cells

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Use bond energies to calculate the enthalpy change for the following reaction. H2(g) + CO2(g) ⟶ H2O(g) + CO(g)

please help!!!

Answers

The enthalpy change for the given reaction is 36kJ/mol

Answer is 36kj/mol same question thank you

Suppose you are digging a hole in the ground. You notice that the soil is in two layers. Each layer has particles of different sizes. You observe the soil closely and find that the bottom layer is made up mostly of sand and the top layer is made up mostly of clay. What do you think caused the soil to have two different layers?

Answers

the layering of different densities along with erosion and weathering

Answer:

its d

Explanation:

Which of the following is the correct definition of convection?A. the transfer of heat by currents

B. the transmission of heat across matter

C. the electromagnetic radiation from the surface of an object which is due to the object's temperature

D. the transmission of heat across empty space

Answers

Answer: A. the transfer of heat by currents

Explanation: There are three modes of heat transfer:

1) Conduction: This type of heat transfer happens when there is direct contact between the two object. Example: heating a pan on stove.

2) Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas) due to the movement of hot layers to the top and cold layers to the bottom which leads to convection currents. Example: Heating of swimming pool.

3) Radiation: This type of heat transfer happens when there is direct transfer of energy through space. Example: Heating of earth's surface.

B. The transmission of heat across matter is conduction.

C. The electromagnetic radiation from the surface of an object which is due to the object's temperature is radiation.

D. The transmission of heat across empty space is radiation.

Answer:

A: The transfer of heat by currents.

Explanation:

Convection is the transfer of heat by currents, typically within a liquid or a gas. When heat is transferred by convection, matter flows.

Which type of seismic waves produces the most severe ground movement?

Answers

The surface waves are the type of seismic waves that produce the most severe ground movement. This wave is slow in nature and so produces a rolling effect similar to a surface wave in a pond. This kind of wave is far more devastating than the P waves and the S waves. The surface waves have the capacity to shake a building from side to side until it collapses. This kind of wave moves in a pattern similar to a circle. It actually originates at a point and then start moving outwards in a circle.

What is the definition of a Lewis base? a substance that donates a proton a substance that donates electrons to form a covalent bond a substance that accepts electrons to form a covalent bond a substance that when dissolved in water increases hydrogen ion concentration

Answers

Lewis base is a substance that dissolved in water increases hydrogen ion concentration.

What is a Base?

This is a chemical substance which is slippery to touch and reacts with acids to form salt.

A lewis base is capable of donating its lone pair of electrons thereby resulting in its ability to increases hydrogen ion concentration when in water.

Read more about Lewis base here brainly.com/question/16714433

A Lewis base is a substance that donates electrons to form a covalent bond. Therefore, option B is correct.

What is a Lewis base?

A Lewis base is a type of molecule or ion that has a pair of electrons. It can donate electrons to another atom or molecule to form a chemical bond. The concept of Lewis bases was introduced by the American chemist Gilbert N. Lewis in 1923, as part of his theory of chemical bonding.

In a Lewis acid-base reaction, the Lewis base (electron-pair donor) reacts with a Lewis acid (electron-pair acceptor) to form a new compound. Lewis bases are important in many chemical reactions, including acid-base reactions, coordination complexes, and redox reactions. Examples of Lewis bases include ammonia (NH3), water (H2O), and chloride ions (Cl-). Therefore, option B is correct.

Learn more about Lewis bases, here:

brainly.com/question/15570523

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Which of the following properties would be the same among isotopes of the same element?A. Flammability
B. Density
C. Melting point
D. Color

Answers

Answer : The properties which would be the same among isotopes of the same element are Flammability and Color

Explanation :

Isotopes are the elements that have same number of electrons and protons but they differ in number of neutrons.

The chemical properties of an element are determined by its valence electrons and since isotope have same number of electrons, they have similar chemical properties.

But isotopes have different number of neutrons. Neutrons are the subatomic particles which are present in the nucleus. They are charge less particles and they have mass. Therefore when the elements have different number of neutrons, their atomic masses differ.

As a result, isotopes have different mass related physical properties.

Let us discuss the given properties now

1) Flammability : Flammability in simple words means the ability of the substance to catch fire or the ability to burn. This is mainly dependent on the reactivity which is in turn dependent on the number of electrons.

Since the isotopes have same number of electrons, they show similar flammability.

2) Density : Density is defined as mass per unit volume. This property involves mass and we know that isotopes have different masses. Therefore they have different densities too.

3) Melting point : Melting point is a physical property which is mainly dependent on the molecular weight of the substance. Since isotopes have different masses, they tend to show different melting points.

4) Color : The color of the element is mainly dependent on the arrangement of electrons around the nucleus. Isotopes have same number of electrons which means the arrangement would also be the same. Therefore the isotopes of the same element do not show different colors.

The properties which would be same among isotopes of the same element are

1) Flammability

4) Color

Answer: D. Color

Explanation: Founders Educere answer.

So much for expert verified^^ smh

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