E.coli Chromosomes

question 31

Multiple Choice

E.coli chromosomes:

• A) Replicate in a unidirectional pattern from a single, unique origin, called oriC.
• B) Adopt a u-shaped conformation during replication.
• C) Consist of two Y-shaped replication forks which move in same direction
• D) Have AT-rich regions at the origin of replication to maintain a tight conformation between strands, this facilitates the formation of the replication bubble.
• E) None of these

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Definitions:

Yield-to-maturity

The total return anticipated on a bond if the bond is held until it matures, accounting for interest payments and the difference between the purchase price and the par value.

Market Value

The trading price at which an asset or service can be currently bought or sold in the open market.

Coupon Rate

The interest rate stated on a bond at the issuance time, which the issuer promises to pay to the bondholder on the face value of the bond.

Coupon Yield

The per annum rate of interest a bond delivers, depicted as a proportion of its par value.