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trasher [3.6K]
2 years ago
5

Write the letter of the correct answer on the line at left.

Biology
2 answers:
Harman [31]2 years ago
8 0

Answer:

D

sssssssssssssssss

evablogger [386]2 years ago
5 0

Answer

Outer Core

Because of the weight of the melting moving metal creates energy

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Hector is demonstrating the properties of light to his class. He tapes two pieces of construction paper—one blue and one red—on
bonufazy [111]

Answer:

Yes because the light from the sun will hit the paper and then when you add the flashlight the beam of light or color will do through

Explanation:

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3 years ago
Which structure of a paramecium holds a reserve copy of all a cells genes?
hjlf
A. The micronucleus...
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3 years ago
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19. How did the evolution of the jaw contribute to diversification of early vertebrate lineages? A) It allowed for smaller body
Dvinal [7]

The evolution of the jaw contribute to diversification of early vertebrate lineages is It made additional food sources available.

<h3>What is evolution?</h3>

Evolution is the shift in a biological population's heritable traits over successive generations. These traits are the result of genes that are expressed during reproduction and transferred from parent to offspring. Mutation, genetic recombination, and other causes of genetic diversity frequently result in different traits existing within a population. When these variations are subjected to evolutionary processes like natural selection (which includes sexual selection) and genetic drift, specific traits within a population start to become more or less prevalent. This is when evolution happens.

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6 0
2 years ago
Put the following steps in the correct order from 1-9
storchak [24]

Answer:

transcription of mRNA from DNA

small ribosomal subunit binds to mRNA

initiation complex formed with addition of large ribosomal subunit

translocation

codon recognition (non-initiating site)  

peptide bond formation

ribosome reads a stop codon

polypeptide chain is released from the P site

ribosomal subunits dissociate

Explanation:

The above describes the process of translation in the ribosome. After transcription of DNA to mRNA, the mRNA is taken to the ribosome to undergo translation, here the mRNA binds to the small ribosomal subuits and to other initiation factors; binding at the mRNA binding site on the small ribosomal subunit then the Large ribosomal subunits joins in.

Translation begins (codon recognition; initiating site) at the initiation codon AUG on the mRNA with the tRNA bringing its amino acid (methionine in eukaryotes and formyl methionine in prokaryotes) forming complementary base pair between its anticodon and mRNA's AUG start codon. Then translocation occurs with the ribosome moving one codon over on the mRNA thus moving the start codon tRNA from the A site to the P site, then codon recognition occurs (non-initiating site again) which includes incoming tRNA with an anticodon that is complementary to the codon exposed in the A site binds to the mRNA.

Then peptide bond formation occurs between the amino acid carried by the tRNA in the p site and the A site. When the ribosome reads a stop codon, the process stops and the polypeptide chain produced is released and the ribosomal subunits dissociates.

6 0
3 years ago
Stove:kitchen: as _____ :plant cell.
Kisachek [45]

Answer: Cloroplast

Hope this helps :))

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3 years ago
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