At the Cellular Level, the Development of an Animal from a Fertilized

question 68

Multiple Choice

At the cellular level, the development of an animal from a fertilized egg involves cell division by _____.

• A) meiosis
• B) mitosis
• C) differentiation
• D) morphogenesis
• E) cloning

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Definitions:

Neurotransmitters

Chemical messengers in the brain and nervous system that transmit signals between neurons, influencing various functions including mood, sleep, and appetite.

Chemical Molecules

Groups of atoms bonded together, representing the smallest fundamental units of a chemical compound that can take part in a chemical reaction.

Morphine

A potent opiate analgesic derived from the opium poppy, used medically to relieve severe pain.

Heroin

Heroin is an opioid drug synthesized from morphine that is illegal and has high potential for addiction and dependence.