How are red blood cells and neurons different? (1 point)
Responses
Neurons need oxygen, but red blood cells do not.
Neurons need oxygen, but red blood cells do not.
Neurons contain DNA, but red blood cells do not.
Neurons contain DNA, but red blood cells do not.
Neurons lack organelles, but red blood cells have organelles.
Neurons lack organelles, but red blood cells have organelles.
Neurons are all the same size, but red blood cells are different sizes.
Neurons need oxygen, but red blood cells do not.
Neurons contain DNA, but red blood cells do not.
Neurons lack organelles, but red blood cells have organelles.
Neurons are all the same size, but red blood cells are different sizes.
Neurons need oxygen, but red blood cells do not.
Neurons contain DNA, but red blood cells do not.
Neurons lack organelles, but red blood cells have organelles.
Neurons are all the same size, but red blood cells are different sizes.
The correct answer is: Neurons lack organelles, but red blood cells have organelles.
To understand the difference between red blood cells and neurons, we need to look at their structures and functions.
Red blood cells, also known as erythrocytes, are specialized cells in the bloodstream responsible for carrying oxygen to the body tissues. They have a unique biconcave shape, which gives them a larger surface area for gas exchange. One of the notable features of red blood cells is that they lack a nucleus and other organelles, such as mitochondria and endoplasmic reticulum, so that more space is available for oxygen-carrying hemoglobin. This lack of organelles makes red blood cells more efficient in their oxygen-carrying function.
On the other hand, neurons are the functional units of the nervous system, responsible for transmitting and processing information through electrical and chemical signals. Neurons are specialized cells that consist of a cell body, dendrites, and an axon. Unlike red blood cells, neurons contain DNA, which carries the genetic information necessary for the cell's structure and function. Additionally, neurons possess several organelles, such as a nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus, which are essential for their cellular processes, including protein synthesis and energy production.
Therefore, the main difference between red blood cells and neurons lies in the presence of organelles. Neurons have organelles, while red blood cells lack organelles, allowing them to efficiently carry out their respective functions.