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Lilit [14]
3 years ago
12

When DNA Is duplicated from mRNA which DNA, mRNA uses a __ nucleotide instead of T.

Biology
1 answer:
vredina [299]3 years ago
4 0

Answer:

1. When DNA is duplicated from mRNA which DNA, mRNA uses a <u>U</u> nucleotide instead of T.

2. If the mRNA sequence is GUACUGUAC, the DNA Sequence is <u>CATGACATG</u>.

Explanation:

1. The only thing that changes from a DNA sequence to an RNA sequence is that the thymine (T) in DNA is changed to Uracil (U) in RNA.

2. There should be no Uracil (U) in a DNA sequence–– only ATCG. Just matching with the given pairings.

G can transcribed to C.

C can be transcribed to G.

A can be transcribed to T.

U can be transcribed to A.

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3 years ago
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gtnhenbr [62]

The parts of the amniotic reptile egg include the amniotic fluid, the albumen, and the shell.

<h3>Parts of an amniotic reptile's egg</h3>

The various parts of amniotic reptile's eggs include:

  1. The external shell which serves as a protective layer
  2. The yolk which supplies energy to the embryo
  3. The albumen supplies the embryo with water and proteins
  4. The extra-embryonic membranes - the chorion, the allantois, and the amnion.

The chorion serves as a channel for gaseous exchange between the embryo and the environment.

The allantois partially functions as waste manager and in respiration. It stores nitrogenous wastes and gets rid of them as well as participates in gaseous exchange along with the chorion.

The amnion protects the embryo against mechanical shocks. It also protects the developing embryo from being dehydrated.

In other words, the 3 extra-embryonic membranes protect, facilitate gaseous exchange, and ensure that wastes are properly disposed of.

More on amniotic eggs can be found here: brainly.com/question/14791069

#SPJ1

7 0
2 years ago
Which of the following pairs of animal phyla are the most closely related?
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C. Cnidarians and echinoderms is the answer.

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hope I Helped!

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liberstina [14]
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