Match Each Term with Its Definition

question 52

Multiple Choice

Match each term with its definition.
-repressor

• A)regulatory protein that activates the expression of an operon's genes
• B)interfering RNA molecules originally encoded by nuclear DNA
• C)process of controlling the expression of genes that takes place at the DNA level
• D)regulatory protein that prevents an operon's genes from being expressed
• E)inhibition of transcription via DNA methylation
• F)interfering RNA molecules associated with some viral life cycles
• G)tumour comprising cells that invade and disrupt the surrounding tissues
• H)increases expression of an operon's genes
• I)cluster of prokaryotic genes and their associated DNA regulatory sequences
• J)tumour comprising undifferentiated cells that stay together in a single mass
• K)spread of malignant cells through the blood or lymphatic system
• L)removes a nucleosome from DNA to expose a promoter

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Definitions:

Coupon Rate

Annually, the interest earned on a bond represented as a percentage of its face value.

Premium Bond

Bond prices and interest rates are inversely related; that is, they tend to move in the opposite direction from each other. A fixed-rate bond will sell at par when its coupon interest rate is equal to the going rate of interest, rd. When the going rate of interest is above the coupon rate, a fixed rate bond will sell at a “discount” below its par value. If current interest rates are below the coupon rate, a fixed rate bond will sell at a “premium” above its par value.

Floating Rate Bond

A floating rate bond is a bond with a variable interest rate, which adjusts periodically according to a specified benchmark.

Variable Rate

An interest rate that can change over the period of a loan or mortgage, based on an underlying benchmark interest rate or index.