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DNA and Protein Synthesis

Authored by Aundrea Balestrieri

Biology

9th - 10th Grade

17 Questions

NGSS covered

Used 4K+ times

DNA and Protein Synthesis
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About

This quiz comprehensively covers DNA structure and protein synthesis, representing core molecular biology concepts appropriate for high school students in grades 9-10. The questions assess fundamental understanding of nucleic acid structure, including the components of DNA nucleotides, base pairing rules, and the chemical bonds that stabilize the double helix. Students must demonstrate mastery of the central dogma of molecular biology - the flow of genetic information from DNA to RNA to proteins - and understand the specific roles of messenger RNA, transfer RNA, and ribosomal RNA in protein synthesis. The quiz requires students to apply their knowledge of transcription and translation processes, including codon recognition, amino acid assembly through peptide bond formation, and the relationship between genetic sequences and protein structure. Advanced problem-solving skills are tested through DNA and RNA sequence analysis, where students must accurately predict complementary base pairing and transcription products. Created by Aundrea Balestrieri, a Biology teacher in the US who teaches grades 9-10. This assessment serves as an excellent tool for evaluating student comprehension after instruction on molecular genetics and can be effectively used as a formative assessment, homework assignment, or review activity before summative testing. The quiz's structure makes it particularly valuable for identifying misconceptions about the relationship between DNA structure and function, while reinforcing the sequential nature of gene expression. Teachers can use this as a warm-up activity to activate prior knowledge before diving deeper into genetic engineering or heredity units, or as targeted practice for students struggling with the abstract concepts of molecular biology. The questions align with NGSS standards HS-LS1-1 (constructing explanations for how DNA determines protein structure) and HS-LS3-1 (developing models to describe how DNA codes are translated into proteins), providing clear evidence of student understanding of these essential life science concepts.

    Content View

    Student View

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a codon?

a sequence of 3 amino acids
a sequence of three nitrogen bases
a sequence of 3 enzymes
a sequence of 3 proteins

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

ribose sugar and base
ribose sugar and phosphate group
nitrogen base and deoxyribose sugar
deoxyribose sugar and phosphate group

Tags

NGSS.MS-LS3-1

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which type of RNA delivers the genetic code to the ribosome?

tRNA
mRNA
rRNA
tmRtmRNA

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the function of transfer RNA?

It is a part of the ribosome.
It bonds to other RNA molecules, leading to their destruction.
It delivers the correct amino acid to the ribosome.
It carries the information coding for the amino acid sequence of a protein.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which nucleotide is complementary to adenine?

adenine
thymine
cytosine
guanine

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these is part of the description of protein?

a folded chain of amino acids
a folded chain of carbohydrates
a branched chain of fatty acids
a branched chain of nucleic acids

Tags

NGSS.MS-LS3-1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which most directly affects the sequence of amino acids in a protein?

the DNA in the nucleus of the cell
the amino acids found in the cytoplasm
the type of cell in which the protein is made
the region of the cell in which the protein is made

Tags

NGSS.HS-LS1-1

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