Unit 5 Review - Genetics

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Other, Biology
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest unit in the hierarchy of genetic components?
Chromosome
Genome
Nucleotide
Gene
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a structural difference between DNA and RNA?
DNA contains uracil
RNA is double-stranded
RNA contains ribose sugar
DNA contains ribose sugar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of helicase in DNA replication?
Adds nucleotides
Synthesizes RNA primer
Binds Okazaki fragments
Unzips the DNA helix
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During DNA replication, what are Okazaki fragments?
Proteins that stabilize DNA
Short DNA fragments on the lagging strand
Short RNA primers
Continuous DNA strands
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of mRNA in protein synthesis?
Forms ribosomes
Carries amino acids
Carries genetic information from DNA
Synthesizes tRNA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the central dogma of molecular biology?
RNA to DNA to Protein
DNA to Protein to RNA
DNA to RNA to Protein
Protein to RNA to DNA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of mitosis?
To replicate DNA
To divide the nucleus and ensure equal distribution of chromosomes
To create genetic diversity
To produce gametes
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