Biology EOC Review Quiz

What are the components that form the sides of the DNA ladder?

• Amino acids

• Hydrogen bonds

• Sugar-phosphate backbone

• Nitrogen bases

Which type of mutation involves the insertion of a base that shifts the reading frame?

• Duplication

• Inversion

• Insertion

• Substitution

What is the result of a translocation mutation?

• A base is substituted for another

• Parts of two chromosomes are exchanged

• A segment of a chromosome is reversed

• A base is deleted

In a Punnett square, what does a heterozygous genotype for a trait look like?

• aA

• Aa

• aa

• AA

Where does transcription occur within a cell?

• Mitochondria

• Ribosome

• Cytoplasm

• Nucleus

What is the role of transfer RNA (tRNA) in translation?

• Brings amino acids to the ribosome

• Forms the ribosome structure

• Carries genetic information from DNA

• Synthesizes proteins

Which process results in the formation of messenger RNA (mRNA)?

• Mutation

• Translation

• Transcription

• Replication

Which of the following is an example of a vestigial organ?

• Fish's fin

• Cat's tail

• Bird's wing

• Human appendix

Which taxonomic category is the largest?

• Domain

• Family

• Genus

• Species

What is adaptive radiation?

• Organisms adapting to environmental changes

• Unrelated species evolving similar traits

• Species competing for resources

• A single species evolving into different forms