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Hoochie [10]
3 years ago
13

The letters that make up the genetic code of DNA

Biology
1 answer:
const2013 [10]3 years ago
8 0

Answer:A, C, G, and T are the "letters" of the DNA code; they stand for the chemicals adenine (A), cytosine (C), guanine (G), and thymine (T), respectively, that make up the nucleotide bases of DNA.

Explanation:

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Compare and contrast the adaptations of free-living flatworms and parasitic flatworms
sammy [17]

<u>Answer:</u>

Free-living flatworms have developed a nervous system which helps them to sense the food. They have a head at one end of the body and each side of the head has sensory cells. These cells help them to sense chemicals and other movements around them.

 

While Parasitic flatworms don't have any nervous or digestive system as they live on the food digested by the host. They have special hooks attached to their head which help them to attach a host. They have developed some covering called 'teguments' which protect them from digestive liquids.

4 0
3 years ago
Why do populations in different countries grow at different rates?
Lemur [1.5K]
Survival rates of newborns
Average life spans 
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level of and access to medicare 
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8 0
3 years ago
What is the best definition of direct cause of disease?
vekshin1

Answer:

D. a cause that directly leads to a normal condition without interference

Explanation:

Direct contact infections spread when disease-causing microorganisms pass from the infected person to the healthy person via direct physical contact with blood or body fluids.

8 0
3 years ago
Which part of the brain is associated with ten of the 12 cranial nerves
Luda [366]
Hey there!

There are different types of nerves. Some of them are sensory nerves like the ones in your hands and feet, and some complete other functions. However, they all originate from somewhere.

Cranial nerves originate from the brain itself, and spinal nerves come from the spinal cord. Damaging any can cause serious injury like death and paralysis. There are 12 cranial nerves in the nervous system, and 10 out of 12 originate in the brain stem.

Hope this helps!
3 0
3 years ago
What is the Largest Organism?
Kitty [74]
The largest organism is Fungi in Oregon (IT'S LIVING) and it covers roughly around 2,000 acres <span />
5 0
3 years ago
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