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American National Curriculum

High School

Biology

Transformations in Organisms and Ecosystems

Practice: DNA Structure and Replication

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Practice: DNA Structure and Replication

Label each part of the model to the right. Include specific nitrogen base pairs in your labeling.
What molecule is it?
What is its purpose?
Where can it be found in a prokaryotic cell?
Where can it be found in a eukaryotic cell?
It gets copied during a process called replication. When does this happen?

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Question 2

2.1.2 Quiz: Protein Synthesis Question 1 of 10 What is the role of rRNA during translation?

It acts as the translator between the mRNA sequence and the growing DNA strand.
It carries the genetic code for a protein out of the nucleus to the site of protein synthesis.
It binds nucleotides together to form RNA sequences from DNA.
It contributes to the structure of the ribosome and ribosomal functions.

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Transformations in Organisms and Ecosystems

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Question 3

Mei started feeling sick at school and the school nurse called her mom and suggested that they come by the clinic. Mei tested positive for the Influenza virus. She will need to allow her body to fight off the infection. In order to fight it, she would need to make antibodies, which are a specific type of protein. List (IN ORDER) at least 4 organelles that this macromolecule will pass through before being released from the cell.

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Transformations in Organisms and Ecosystems

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Question 4

Why do alleles from linked genes sometimes appear to follow the law of independent assortment?

During meiosis, alleles can switch between homologous chromosomes through crossing over.
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Topic:

Transformations in Organisms and Ecosystems

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