Which Statement Is Accurate

question 121

Multiple Choice

Which statement is accurate?

• A) DNA is made up entirely of genes; a chromosome is the unwoven form of chromatin.
• B) A sequence of nucleotides in DNA constitutes a gene; DNA and associated proteins form chromatin.
• C) Human cells contain 46 genes; another name for a gene is a nucleosome.
• D) Each nucleotide in a gene is bound by hydrogen to the next nucleotide in the sequence; chromatin is a nitrogenous base.

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Definitions:

Foxglove

A genus of flowering plants known for their tubular, spotted flowers that are often used in heart medications.

Secondary Cell Wall

The thickened inner layer of a plant cell wall that provides rigidity and support to the cell, found in some cells after they have stopped expanding.

Primary Cell Wall

The initial, thin, and flexible layer that forms the outermost layer of the cell wall of young plant cells.

Plasma Membrane

The plasma membrane is a biological barrier that divides a cell's inside from its external surroundings, regulating the entry and exit of materials.