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Radda [10]
3 years ago
8

Chargaff's rules of base pairing are explained by which structural feature of DNA? A. Each strand of DNA contains a phosphate an

d sugar backbone. B. The nucleotides of DNA may appear in a wide variety of sequences. C. DNA is double stranded, and covalent bonds between identical nucleotides hold the strands together. D. DNA is double stranded, and hydrogen bonds between base pairs hold the strands together.
Biology
2 answers:
laila [671]3 years ago
8 0

Answer:

C

Explanation:

just took the quiz

solong [7]3 years ago
5 0

Answer:

Option C. is correct.

Explanation:

According to Chargaff's rules, DNA (Deoxyribonucleic Acid) from any species of an organism should have purine and pyrimidine bases in the ratio 1:1

This ratio is very important for solving the structure of DNA.

As per this rule, DNA is double-stranded, and covalent bonds between identical nucleotides hold the strands together.

So, Option C. is correct.

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In Cuttlefish, large males will protect females from other males to prevent them from mating. However, the small males will mimi
Basile [38]

Answer:

Gene Flow

Explanation:

Gene flow is when genetic material gets transferred from one population to another.

8 0
2 years ago
When a soccer ball is in flight, what forces are acting on it?
jeka94

Answer:

Force applied on the ball when it is kicked, gravitation pull and frictional force

Explanation:

When the ball is kicked it starts accelerating, the moment when it leaves the foot acceleration starts decreasing. Here two more forces start acting on it, one is friction force caused by wind and second is tradition pull of the earth. Both these forces slow down the motion of a soccer ball and it slows down and stops.

4 0
2 years ago
Two of the many cycles in nature's web of life are the carbon cycle and the A. energy cycle B. water cycle C. food cycle D. heat
dmitriy555 [2]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>B. water cycle</em>

▹ Step-by-Step Explanation

Water is something that is dependent on amongst living things. Without the water cycle, there wouldn't be a source of water and living things wouldn't be able to survive.

Hope this helps!

CloutAnswers ❁

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6 0
3 years ago
Jed was hospitalized for a hip surgery. He is eight years old, and is now exhibiting confusion about the time of day or day of w
Fudgin [204]

Answer:

The correct answer is delirium.

Explanation:

An unexpected variation in the brain, which leads to emotional disruption and mental confusion is known as delirium. It makes an individual difficult to remember, sleep, think, to pay attention, and several other consequences. One might experience delirium post-surgery, at the time of alcohol withdrawal, or with dementia.  

However, the condition is generally impermanent and can be cured efficiently. Delirium influences the emotions, mind, sleep patterns, and control of muscles. One may find it tough to concentrate or feel confused regarding his or her locations. One may also move gradually or briskly than generally, and may even encounter with mood swings.  

Thus, it can be concluded that in the given case of 8 year Jed, who had undergone surgery is not able to concentrate on anything and is feeling confused due to a condition known as delirium.  

5 0
3 years ago
Science question.....​
Blababa [14]

Answer:

D.........

Explanation:

i think

5 0
3 years ago
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