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Vitek1552 [10]
3 years ago
14

Why does DNA change from one generation of species to the next? Explain the two reasons. (be sure to include the concept of RAND

OM in your answer)
Why are all of these little changes important for a species? (why is it good for a species to have the next generation be diverse/ different?)
Biology
1 answer:
pogonyaev3 years ago
6 0

Answer:

RANDOM SPECIES

Explanation:

We're no strangers to love

You know the rules and so do I

A full commitment's what I'm thinking of

You wouldn't get this from any other guy

I just wanna tell you how I'm feeling

Gotta make you understand

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

We've known each other for so long

Your heart's been aching but you're too shy to say it

Inside we both know what's been going on

We know the game and we're gonna play it

And if you ask me how I'm feeling

Don't tell me you're too blind to see

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

No, I'm never gonna give you up

No, I'm never gonna let you down

No, I'll never run around and hurt you

Never, ever desert you

We've known each other for so long

Your heart's been aching but

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

No, I'm never gonna give you up

No, I'm never gonna let you down

No, I'll never run around and hurt you

I'll never, ever desert you

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What is the most likely cause of LS’s potassium imbalance? Explain the role of the kidney in potassium excretion.
Scorpion4ik [409]

L.S. is brought to the emergency department for management of acute mushroom poisoning. Her respirations are slow and shallow, and she is nonresponsive. She is admitted to the critical care unit to be closely monitored for the development of respiratory failure and renal failure, which often accompany mushroom poisoning. Her urine output is decreased to about 20 ml/hr. Her laboratory values are serum K+ = 5.7 mEq/L; arterial blood gases (ABGs): pH = 7.13, PaCO2 = 56 mm Hg, PaO2 = 89 mm Hg, HCO3- = 18 mEq/L.

1A. What is the most likely cause of L.S.’s potassium imbalance? Explain the role of the kidney in potassium excretion

Answer: L.S. is experiencing a intrarenal acute renal failure in the category of tubular necrosis (due to ingested mushroom toxins).

The kidneys helps to maintain the electrolyte concentrations by filtering electrolytes and water from blood, routing some to the blood, and excreting any excess into the urine.

Therefore, the kidneys help to maintain a balance between daily consumption and excretion of electrolytes and water.

Explanation:

Daily variations in potassium excretion are controlled mainly by changes in secretion in distal and collecting tubules.

• Maintaining potassium balance depends primarily on renal excretion which is determined by:

• the rate of potassium filtration

• the rate of potassium reabsorption by the tubules o the rate of potassium secretion by the tubules

i.e. About 65% the filtered potassium is reabsorbed the proximal tubule and another 25% to 30% in the ascending loop of Henle.

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luda_lava [24]

Answer:There arent any directions

Explanation:

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A large number species on Earth become extinct during a short time period about 65 million years ago. Based on this pattern of e
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Answer and Explanation:

During the whole biota history, there occurred extinctions due to different reasons.  

During the Cretaceous, which took place between 145-65 million years ago, there occurred a massive extinction that eliminated most of the species on the Earth. Many of the characteristic groups of this period were affected. Dinosaurs, Plesiosaurs, Ammonites, Tricodonts, Cycas, Gynkgos, Conifers, the recent angiosperms, birds, and mammals.  

The extinction was caused by the volcanic eruptions, and the unusual fall of many different asteroids, which caused important changes on the Earth´s surface. The consequent climatic change was what ended affecting all the species directly. The extinction was gradual, although it occurred in a short geological lapse of time.  

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Which statement describes what happens to the carbon dioxide produced in cellular respiration?
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