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DNA Replication and Protein Synthesis

Authored by Brittany Moss

Biology

9th - 12th Grade

NGSS covered

Used 1K+ times

DNA Replication and Protein Synthesis
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This quiz comprehensively covers DNA replication and protein synthesis, the fundamental molecular processes that govern gene expression in all living organisms. Designed for high school biology students in grades 9-12, the assessment evaluates students' understanding of nucleic acid structure, base-pairing rules, and the central dogma of molecular biology. Students must demonstrate mastery of key concepts including the molecular composition of DNA and RNA, the role of enzymes like helicase and RNA polymerase, and the sequential processes of transcription and translation. The questions require students to apply base-pairing rules to transcribe DNA to RNA and translate codons to amino acids, while also understanding the cellular locations where these processes occur. Students need strong foundational knowledge of biomolecular structure, enzyme function, and the flow of genetic information from genes to proteins to successfully complete this assessment. Created by Brittany Moss, a Biology teacher in the US who teaches grades 9-12. This quiz serves as an excellent formative assessment tool for evaluating student comprehension after instruction on molecular genetics. Teachers can use this assessment as a comprehensive review before unit exams, as homework to reinforce classroom learning, or as a diagnostic tool to identify areas where students need additional support. The quiz effectively supports classroom instruction by requiring students to apply theoretical knowledge to practical problems, such as determining complementary base sequences and identifying the correct amino acids from codon sequences. This assessment aligns with NGSS standards HS-LS1-1 (constructing explanations for how DNA determines protein structure) and HS-LS3-1 (asking questions to clarify gene expression relationships), making it an ideal resource for teachers preparing students for state assessments while building deep conceptual understanding of molecular biology.

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43 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What monomers are DNA and RNA consisted of?

nitrogen base
nucleotides
sugar-phosphate backbone
blood

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Where do nucleotides joined to each other

sugar and phosphate backbone 
membranes
polynucleotide
adenine to cytocine

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

DNA has a ______ strand; RNA has a ______ strand.

double/double
double/triple
double/single
single/single

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 What enzyme unwinds the double helix during replication and transcription?

Helicase
tRNA
RNA polymerase
mRNA

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Transcription is the production of ___ from ___.

protein, RNA
RNA , DNA
DNA, RNA
DNA, protein

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Translation is the production of ___ from ___.

RNA, protein
DNA, protein
RNA, DNA
protein, RNA

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What type of bond join the nitrogen bases together in DNA? 

covalent
hydrogen
mutual
peptide

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