What stage of cellular respiration requires the input of energy

Answers

Answer 1
Answer:

Answer:

Glycolysis

Explanation:


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A cell is placed in a water solution with the same salt concentration as the cell. The cell is placed in a _____.

Answers

The right answer is an isotonic solution.

An isotonic solution is a system in which the osmotic concentration is the same as the solute concentration of a cell. In this case, the cell does not swell or shrink because there is no gradient of water concentration across the cell membrane.

The water molecules diffuse across the plasma membrane in both directions, and the rate of water diffusion is the same in each direction of this cell without gaining or losing water.


Isotonic solution. Since it has the same salt concentration as the cell the solution is neither hypotonic or hypertonic.

Dmitri Mendeleev and Henry Moseley developed their periodic tables about forty years apart. During that time, many discoveries in chemistry were made. Which fact was most likely discovered between the time of Mendeleev’s table and the time of Moseley’s table that helped Moseley develop his version? a. Atomic mass is the average mass of different samples of the same element. b. Different elements can have similar chemical properties even if their atomic masses are different. c. The number of protons in an atom is different than the atom’s total mass. d. Protons strongly affect an element’s atomic mass, while the electrons in atoms do not.

Answers

The fact that most likely discovered between the time of Mendeleev’s table and the time of Moseley’s table helped Moseley develop his version is as follows:

  • The number of protons in an atom is different than the atom’s total mass.

Thus, the correct option is C.

What is Mendeleev's periodic table?

Mendeleev's periodic table may be defined as a systematic positioning of elements on the basis of their increasing atomic mass in a table form. It also reflects similarities and fashion in the behavior of elements.

Mendeleev's periodic table helped Moseley to a major extent. All the drawbacks of Mendeleev's periodic table are shorted out by Moseley in a more efficient way.

One of them was that the number of protons in an atom is different than the atom’s total mass because the total atomic mass of an element depends on the number of protons, neutrons, and electrons. Altogether they constitute the element.

Therefore, the correct option for this question is C.

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Answer: The number of protons in an atom is different than the atom’s total mass.

Explanation: I had the test and got the answer correctly.

Explain why water conservation is important​

Answers

Answer:

Conserving water is important because it keeps water pure and clean while protecting the environment.

Explanation:

Water conservation is important because it preserves water for later usage and also leads to more pure, or clean water.

All of the following are sources of air pollution, EXCEPTA) chlorofluorocarbons (CFCs).
B) heavy metals such as mercury.
C) nitrogen oxides from automotive exhaust.
D) small particles of smoke and dust in smog.

Answers

The correct answer is B) Heavy metals such as mercury.

Explanation:

Heavy metals such as mercury or lead are denser than regular metals, this causes it is common for these metals to be found in the surface of Earth rather than in the air or atmosphere. Indeed, mercury and other similar metals are extracted from the Earth's crust and then used for different purposes. As a result of this, mercury ends up in the surface of Earth or in water sources which causes soil or water pollution. This means mercury is not a common source of air pollution; on the opposite other such as CFCs, nitrogen oxides and smog remain in the air and therefore are sources of air pollution.

B is the correct answer.

Which type of white blood cells are related to the connective tissue mast cells and respond in allergic and hypersensitivity reactions?

Answers

Answer:

The Basophils

Explanation:

Basophils are a type of white blood cells that arise from the bone marrow and can be found in most tissues. They respond to inflammatory reaction particularly allergic reaction and hypersensitivity reactions. When activated they degranulate to release histamine and proteolytic enzymes.

They are related to connective tissues because they contain similar granules.

Organisms need nutrients in order to:a. utilize hydrogen and oxygen.
b. carry out essential life functions.
c. recycle chemical compounds.
d. carry out nitrogen fixation.

Answers

The answer is letter B.

Organisms need nutrients to carry our essential life functions. These nutrients provided the necessary energy to power the different processes of the cells of the body. As a result, essential life functions are easily performed. A deficiency in one or may different nutrients in the body could result to different diseases or disorders. The main source of nutrients of the human body come from different food sources (e.g. plants, animals). These foods when broken down in the body release chemicals that are necessary for many internal processes.

Final answer:

Organisms primarily need nutrients to carry out essential life functions, such as growth, repair, and maintaining biological processes. Nutrients are used to produce energy, build and maintain tissues. Certain organisms can also use nutrients to recycle compounds and carry out nitrogen fixation.

Explanation:

Organisms need nutrients primarily to carry out essential life functions. These functions include growth, repair, and the maintenance of basic biological processes. Essential nutrients, which must be obtained from the diet, are used to produce energy, build and maintain tissues, and regulate bodily processes.

Nutrients such as carbohydrates, proteins, and fats are utilized by cells in a series of metabolic reactions that provide the energy required for these vital functions. Some organisms can also utilize nutrients to recycle chemical compounds and carry out nitrogen fixation. However, these processes are generally specific to certain types of bacteria and plants.

Learn more about Nutrient Utilization in Organisms here:

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