In Each of the Paragraph Plans Below, One Detail Has

question 10

Multiple Choice

In each of the paragraph plans below, one detail has nothing to do with the topic sentence; it is merely a bit of irrelevant information. Select the letter of the irrelevant detail in each plan. During the first week of classes, the college bookstore is wall-to-wall confusion.

• A) crowds of students pushing to get into the store
• B) cartons of books clogging the aisles
• C) students shouting their orders to harried salespeople
• D) attractive displays of calendars and other organizational tools
• E) separate, but unmarked, registers for cash, check, or credit-card sales

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Definitions:

Tropomyosin

A regulatory protein in muscle cells that blocks the binding site for myosin on actin molecules, preventing muscle contraction in the absence of calcium.

F-actin Double Helix

A structural configuration of actin filaments arranged in a twisted double helix, significant in muscle contraction and cell movement.

Protein

Large molecules made up of amino acids that perform a variety of functions in the body, including structural support, enzyme catalysis, and transportation.

Fast-twitch Muscle Fibers

Muscle cells specialized for rapid contraction and are primarily engaged during high-intensity, short-duration activities like sprinting.