According to the Gravity Model, a Characteristic That Tends to Affect

question 3

Multiple Choice

According to the gravity model, a characteristic that tends to affect the probability of trade existing between any two countries is

• A) their cultural affinity.
• B) the average weight/value of their traded goods.
• C) their colonial-historical ties.
• D) the distance between them.
• E) the number of different product varieties produced by their industries.

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Definitions:

Repressor

A protein that binds to specific DNA sequences, preventing the transcription of certain genes and thereby controlling gene expression.

Promoter

A region of DNA that initiates transcription of a particular gene, typically located near the transcription start sites of genes.

Inducer

A molecule that binds to a repressor protein, converting it to its inactive form, which is unable to prevent transcription.

Lactose

A disaccharide sugar found in milk and dairy products, which is broken down into glucose and galactose by the enzyme lactase.