Question

a student examines a picture of an important biological molecule in a textbook and writes four stat1. the molecule is found in the nucleus.2. the molecule is made up of chromosomes.3. the molecule carries genetic information.4. the molecule contains genes.which statement needs to be revised to make it true?statement 1statement 2statement 3statement 4

Explanation:

The molecule in the image is DNA.

• Statement 1: DNA is found in the nucleus (true for eukaryotes, and also in other forms in prokaryotes, but generally this is a valid statement about its location in cells with nuclei).
• Statement 2: Chromosomes are made up of DNA and proteins, not the other way around. So DNA is not made up of chromosomes—this statement is false and needs revision.
• Statement 3: DNA carries genetic information (true).
• Statement 4: DNA contains genes (true, as genes are segments of DNA).

Answer:

statement 2