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larisa [96]
4 years ago
8

50 POINTS!!!!!

Biology
1 answer:
Sunny_sXe [5.5K]4 years ago
4 0

Answer:

you can google it online.

Explanation:

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Which of these best illustrates natural selection? *
lyudmila [28]

Answer:

first one is the answer.

8 0
3 years ago
The nurse is instructing a patient with recurrent hyperkalemia about following a potassium-restricted diet. Which of the followi
blondinia [14]

Answer:

"I will not salt my food, instead I'll use salt substitute."

Explanation:

Hyperkalemia may be defined as the medical condition in which the individual has high level of potassium in the body. This hyperkalemia can cause different diseases like cardiac arrest and can also cause death.

The hyperkalemia must be treated on time. The individual must be on low potassium diet. Avoid medicines that can increase the potassium levels and the administration of the sodium bicarbonates. The salt that has low potassium and high sodium concentration must be included in the diet.

Thus, the correct answer is option (b).  

6 0
3 years ago
In eukaryotes, there are two main types of DNA organization present in chromosomes:
kupik [55]

Answer:

The two main types of DNA organization present in chromosomes are the extended DNI and the condensed DNI

Explanation:

In eukaryotes, the complete chromosome is composed of only one lineal and extremely long DNA molecule. DNA is intimately associated with two types of proteins: <u><em>histones</em></u>, which are structural proteins, and <em>non-histone</em> proteins that mediate different functions of DNA.

DNA associated with histones is called <u><em>chromatin</em></u>. Histones are responsible for packaging DNA molecule, and the fundamental unit of packaging is known as a <em><u>nucleosome</u></em>. As chromatin must be condensed, nucleosomes generate regular structures between themselves forming a <em><u>chromatinic fiber</u></em>, in which DNA is very condensed. A superior level of condensation is the structural <em><u>ringlet-shaped domain</u></em>. At this level, a chromatinic fiber is folded and a protein is responsible for keeping joined the two regions of DNA that form the ringlet. The next condensation level is the rolling of the ringlet-shaped domain composing the <u><em>chromosome</em></u>. The typical chromosome in the metaphase is formed by <u><em>two chromatids</em></u> joined by a centromere. Each chromatid is composed of a sequence of chromatin ringlets domains. In the interphase, <em>before cellular division</em>, chromatin is in a diffuse, lax, uncondensed state, known as extended DNA. When <em>cellular division</em> is about to happen, chromatin begins to condensate. At the beginning of the <em>prophase</em>, DNA is condensed in a well-defined chromosome formed by two sisters chromatids.

3 0
4 years ago
The most important regulator of electrolyte concentrations in extracellular fluids is ________. A. cortisol B. aldosterone C. gl
Oduvanchick [21]

Answer:

The correct option is B. aldosterone

Explanation:

In organisms the most important electrolytes from the point of view of their concentration, therefore, of their osmotic effect, are the sodium and potassium ions. Aldosterone is a hormone produced by the adrenal glands, it helps to control blood pressure and it maintains healthy levels of sodium and potassium in the blood, preserving the balance of body fluids and allowing nerves and muscles to function well. The renin hormone, produced by the kidneys, normally stimulates the adrenal glands to release aldosterone.

3 0
3 years ago
In the context of human resource management, companies can establish a competitive advantage by?
dimulka [17.4K]

Companies can establish a competitive advantage by hiring the right people and training them effectively.

What is human resource management ?

The practice of recruiting, hiring, assigning, and managing personnel is known as human resource management (HRM). Frequently, HRM is referred to as just "human resources" (HR). The HR department of a business or organization is often in charge of developing, implementing, and monitoring the firm's policies regarding employees and its interaction with them. The phrase "human resources" was initially used to refer to all of the employees of a business in the early 1900s, and it became more popular in the 1960s.

HRM is employee management with a focus on those workers as company assets. Employees are sometimes referred to as human capital in this context. The objective is to use people efficiently, minimizing risk and maximizing return on investment, just like with other business assets (ROI).

Through their personnel management practices, human resources managers can contribute to creating a strong competitive edge. An advantage that frequently leads to better customer service and possibly more clients than those firms with little or no CA is employee performance and a high degree of engagement.

To l;earn more about human resources click on the link below:

brainly.com/question/16633587

#SPJ4

5 0
2 years ago
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