_____________, the World's First Artificial Satellite, Was Launched by the Soviet

question 24

Multiple Choice

_____________, the world's first artificial satellite, was launched by the Soviet Union.

• A) Orbit
• B) Challenger
• C) Sputnik
• D) Avenger

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Definitions:

Mismatch Repair Enzymes

A system within cells that repairs mispaired nucleotides which may arise during DNA replication and recombination, as well as repairing some forms of DNA damage.

DNA Polymerase

A catalyst that constructs DNA strands using deoxyribonucleotides as the foundational components of DNA.

DNA Ligase

Enzyme that catalyzes the joining of the 5′ and 3′ ends of two DNA fragments; essential in DNA replication and used in recombinant DNA technology.

Excision Repair Enzymes

A class of enzymes involved in the repair of DNA by recognizing and removing damaged or mismatched nucleotides, followed by filling in the correct sequences.