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BaLLatris [955]
3 years ago
10

A major distinction between prokaryotes and eukaryotes is the presence of membrane-bound organelles in eukaryotes.

Biology
1 answer:
viktelen [127]3 years ago
6 0

Answer:

is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.

Explanation:

The inner membrane is loaded with the proteins that make up the electron transport chain and help generate energy for the cell. The double membrane enclosures of mitochondria and chloroplasts are similar to certain modern-day prokaryotes and are thought to reflect these organelles' evolutionary origins.

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A particularly long radio wave has a wavelength of 1.5 x 10^9 meters. What is the frequency of this radio wave?
Phoenix [80]

Answer:

0.2Hz

Explanation:

The wavelength of a radiowave can be calculated this;

λ = v/f

Where;

λ = Wavelength (m)

v = speed (m/s)

f = frequency (Hz)

Based on the information provided in this question, λ = 1.5 x 10^9 meters, c = 3 × 10^8m/s, f = ?

Hence, using λ = v/f

f = v/λ

f = 3 × 10^8 ÷ 1.5 x 10^9

f = 2 × 10^(8-9)

f = 2 × 10^-1

f = 0.2Hz

7 0
3 years ago
When assessing a client who gave birth 12 hours ago, the nurse measures an oral temperature of 99.6° f (37.5° c), a heart rate o
Taya2010 [7]

The nursing action appropriate for this kind of case is encouraging increased fluid intake<span>

<span>The rationale behind this is that around the first day of postpartum, slight dehydration usually causes a slightly elevated temperature; the nurse should also encourage increased fluid intake to counter dehydration. Aspirin is contraindicated in postpartum clients because its anticoagulant effects may induce the risk of hemorrhage. Reassessment in vital signs every 4 hours is sufficient to evaluate the effectiveness of hydration measures. If the patient’s oral temperature exceeds 38 degrees Celsius or 100.4 degrees Fahrenheit, the nurse should request an antibiotic order since this may suggest an infection.</span></span>

6 0
3 years ago
Blood pressure is greatly effected by the volume of blood contained in the closed circulatory system of vertebrates. blood volum
Tems11 [23]

The right answer is the kidney will regulate the blood pressure by the renin angiotensin aldosterone system.

The kidney plays a role of selective filtering of the blood. It allows the blood to get rid of its waste. But it also removes water and mineral salts that are in excess.

But the kidney also plays a dynamic role in increasing the pressure, by means of a system called "renin-angiotensin system" which is one of the most powerful natural hypertensives available to the body. Thanks to an enzyme he makes, renin, the kidney will turn a normal blood protein, angiotensinogen, into angiotensin, which causes the vessels in the body to contract and therefore increase blood pressure. This effect is manifested permanently in a disease which is the stenosis of the renal artery, that is to say the permanent narrowing of the caliber of this artery. The kidney, believing that the blood pressure decreases because of this narrowing, will permanently produce renin, which will cause an immediate increase in blood pressure.

4 0
3 years ago
These type of lipids make up most of the lipids in our food and in our bodies. They are made up of a three fatty acids and one g
slava [35]

The majority of the lipids contained in our diet and retained in our bodies are triglycerides, esters made of one glycerol (an alcohol) molecule and three fatty acid molecules (carboxylic acids).

The ester of glycerol and three fatty acids is known as a triglyceride. In humans, other vertebrates, and vegetable fat, triglycerides make up the majority of the body fat. Obesity and the metabolic syndrome, a group of diseases marked by excess body fat around the waist, high blood pressure, high triglycerides, high blood sugar, and abnormal cholesterol levels, are two conditions that frequently accompany high triglycerides and increase the risk of heart disease and stroke. A blood supply blockage to your heart or brain could result from extremely high triglyceride levels. Chest pain may be one of the signs of a heart that is receiving less blood. Numbness, vertigo, disorientation, blurred vision, or a severe headache all be signs of a reduced blood supply to your brain. A particular health risk is quite curable.

Learn more about triglycerides here:

brainly.com/question/13840067

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8 0
1 year ago
What is the study of the distribution of organisms around the world, which is an important evidence of evolution?
Alika [10]

Answer:

The theory of evolution is supported by instances of direct observation, the existence of homologies and fossils, and certain biogeographical patterns

8 0
2 years ago
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