Multiple Choice
In the context of the properties of the cell, what is the gel-like substance inside a cell that suspends organelles and is the site of many metabolic reactions?
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1. Overview of Cell Biology
Properties of the Cell
Multiple Choice
In the context of properties of human cells, which cell is the largest (by diameter/volume) in the human body?
A
Human ovum (oocyte)
B
Skeletal muscle cell (myofiber)
C
Red blood cell (erythrocyte)
D
Sperm cell
Verified step by step guidance1
Step 1: Understand the question is asking about the largest human cell by diameter or volume, so focus on comparing typical sizes of the given cell types.
Step 2: Recall that the human ovum (oocyte) is known to be one of the largest cells in the human body, visible to the naked eye, with a diameter of about 100 micrometers.
Step 3: Compare this to skeletal muscle cells (myofibers), which are long and multinucleated but relatively narrow in diameter, typically around 10-100 micrometers in diameter but very long in length; however, their volume is distributed differently.
Step 4: Consider red blood cells (erythrocytes), which are small, biconcave discs about 6-8 micrometers in diameter, much smaller than an ovum.
Step 5: Sperm cells are also very small, with a head about 5 micrometers long and a tail much longer but very thin, so their volume is much less than that of an ovum.
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