A Sequence of B-DNA Contains 78,000 Base Pairs

question 75

Essay

A sequence of B-DNA contains 78,000 base pairs.Analysis shows that 42% are C-G base pairs.Answer the following questions and show your mathematical work.
a. How many pyrimidine bases are in this sequence?
b. How many nucleotides are cytosines?
c. How many nucleotides are thymines?
d. How many hydrogen bonds does this sequence contain?
e. How many turns of the double helix occur in this sequence?

Identify factors that influence the development of a country's financial reporting practices.

Know the international organization that currently issues IFRS.

Understand the issues and processes involved in converting financial statements from U.S. GAAP to IFRS.

Recognize the authoritative pronouncements of International Financial Reporting Standards (IFRSs).

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Definitions:

Root Cap

Protective cover of the root tip, whose cells are constantly replaced as they are ground off when the root pushes through rough soil particles.

Vessel Elements

Specialized tubular cells in plants that facilitate the transport of water and minerals.

Tracheids

Elongated cells in the xylem of vascular plants, serving in the transport of water and mineral salts.

Sieve-Tube Members

Plant cells that are part of the phloem and responsible for transporting sugars and other nutrients throughout the plant.