-Answer These Questions About Chromosome Structure

question 77

Multiple Choice

-Answer these questions about chromosome structure. What does "B" represent?

• A) chromatid
• B) proteins
• C) chromosome
• D) centromere
• E) chromatin

---

Definitions:

Ammonia

Ammonia is a colorless gas with a distinct pungent smell, composed of nitrogen and hydrogen (NH3), widely used in fertilizers and as a cleaning agent.

Nitrogen

a chemical element with symbol N and atomic number 7, essential for life, making up a significant part of Earth's atmosphere.

Simple Organic Molecules

Simple Organic Molecules are molecules composed of carbon along with other elements like hydrogen, oxygen, and nitrogen, serving as the basic building blocks for more complex organic substances.

Oparin

A scientist known for his hypothesis on the origin of life, proposing that life on Earth developed through a process of chemical evolution in a primordial soup of organic molecules.