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Minchanka [31]
3 years ago
14

Which of the choices below provide direct evidence of evolution

Biology
2 answers:
aleksandr82 [10.1K]3 years ago
5 0
D - both fossils and DNA can be used to show direct evidence of evolution
den301095 [7]3 years ago
3 0
A and C


They both can be compared to present or past objects to show how they have changed or evolved over time
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During translation, the tRNA molecule carrying the correct amino acid corresponding to its anticodon sequence must base pair wit
katovenus [111]

Answer:

The tRNA would be unable to read the mRNA CODON, and will be unable to carry its corresponding amino acid

Explanation:

Protein synthesis occurs in two major stages; transcription and translation. Transcription involves the synthesis of a mRNA molecule while translation involves reading the sequence of the mRNA in order to synthesize amino acids that forms protein. Let's look at translation in details. Translation occurs with the help of a type of RNA molecule called transfer RNA (tRNA) present in the RIBOSOME (site of protein synthesis).

The tRNA possesses a group of three nucleotides called ANTICODON, which it uses to read the mRNA codon that is complementary to it i.e. an anticodon UAC will read mRNA codon AUG. The tRNA binds to the mRNA molecule in order to assess its nuceleotide sequence. Once, a complementary anticodon succesfully reads a particular mRNA codon, it carries the amino acid encoded by the mRNA codon it reads to the growing polypeptide chain. This is the normal translation process.

However, as stated in the question, that if a wrong anticidon successfully binds to a codon. This means that the anticodon that binds to the mRNA codon is not complementary to it. What would happen in this case is that the Anticodon will be unable to read that particular codon it binds to because the complementary base pairing rule is used to read i.e. A-U, G-C. Once, the anticodon cannot read the mRNA codon, the tRNA will also be unable to carry the amino acid that is encoded by that CODON.

6 0
4 years ago
Pls help me help me ​
Zolol [24]

Answer:

Task card 25= B, sleet

Task Card 26= B, gasses

Task Card 27= A, Stratus

Task Card 28= B, warmer

5 0
3 years ago
Read 2 more answers
The thin layer of white blood cells and platelets found above the packed red cells in centrifuged blood is called the ______
Alla [95]

Answer:

Buffy coat.

Explanation:

Between the plasma, and red blood cells the platelets, and white blood cells form a thin white layer which is known as Buffy coat following density gradient centrifugation of the blood.

Centrifugation is the process where the distinguish between cell fragments, and cell from the liquid intracellular matrix occurs. Centrifugation is a technique which separates the particles according to their size, density, viscosity and shape with the help of centrifugal force.

8 0
4 years ago
Research a tundra plant or animal that is being affected by climate change. What is the name of it? Where on Earth does it live?
Sonbull [250]

Answer:

Green turtles live in Tropical Ocean Waters they are affected by climate change, because sea levels rise and stronger storms will erode and destroy there beach habits.  

Explanation:

Couldn't find the outlook :)

6 0
2 years ago
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What might the shape of the skull and the supraorbital height tell us about each species?
Sladkaya [172]

Answer: The shape of the skull and the supraorbital height tell us the following about each species-

  • It can tell us about the intelligence of species and what all senses they were dependent upon for their survival
  • Most of the species possess similar skulls as mostly their structures are  oval shaped, sloped or round shaped.
  • Species have different food habits that is determined by the teeth, which vary from long and dull to short and dull.
  • Variation in teeth and face shapes could also be due to different geological locations.
  • In particular, the foramen magnum be located where the spine connects can be attributed to how the species gathered food through hunting and what kind of food they sought after.
  • Overall, the shape and the supraorbital height of each skull informs us the advantages and disadvantages each species had in its ecosystem.
  • It also tells what probable causes of death would be when the species died.
8 0
3 years ago
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