The First Genes on Earth Were Probably

question 73

Multiple Choice

The first genes on Earth were probably

• A)DNA produced by reverse transcriptase from abiotically produced RNA.
• B)DNA molecules whose information was transcribed to RNA and later translated in polypeptides.
• C)self-replicating RNA molecules.
• D)antibiotic resistant.

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Definitions:

Upper Limb

The region of the human body comprising the arm, forearm, wrist, and hand.

Tarsals

A group of seven bones in the foot that form the ankle and arch, crucial for movement and bearing the body's weight.

Tibia

The larger, stronger, and anterior of the two bones in the lower leg, commonly referred to as the shin bone.

Talus

A bone in the ankle joint that sits between the heel bone and the two bones of the lower leg (tibia and fibula).