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kati45 [8]
1 year ago
11

Select all the correct answers.

Biology
2 answers:
maxonik [38]1 year ago
7 0

Answer: The correct answer is #3. Dogs and humans are more closely related than snakes and humans

liubo4ka [24]1 year ago
7 0

Answer:

3 & 4

Explanation:

Vertebrates are animals with back bone or vertebral column. Snakes, dogs and humans are all vertebrates.

Humans and dogs are mammals so they are warm blooded, give birth to their offsprings and have hairs or furs on their skin.

Snakes are reptiles and they mostly lay eggs, they are cold blooded, that is, they cannot produce their own body heat and they have scales on their skin like fish.

With this, humans and dogs are closely related than humans and snakes or even dogs and snakes.

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Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is called uracil. The five-carbon sugar in RNA is called ribose.

Uracil is a crystalline organic molecule, and a component of the ribonucleic acid (RNA). The RNA molecule is made up of a sequence of nucleotides, which individually contains a five-carbon sugar (ribose), a nitrogenous base, and a phosphate group. Uracil is one of the four nitrogenous bases present in the nucleic acid of RNA. The others are adenine, cytosine, and guanine, and are represented by the letters; A, G, C and U. In DNA (deoxyribonucleic acid), the uracil nucleobase is substituted by thymine.



5 0
2 years ago
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puteri [66]

Answer:constriction of pupil

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3 0
1 year ago
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Katyanochek1 [597]

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2 years ago
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Hope this helps!

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