Quiz: The Cell and Its Membrane

1. The fluid matrix inside the cell is called __________.
a. nucleoplasm
b. endoplasm
c. cytosol
2. The cytosol consists of all the following except __________.
a. organelles
b. water
c. cell membrane
3. There is water on the inside and outside of a cell. The inside water and outside water are separated by a cell membrane that is composed of two layers of phospholipids. Due to the hydrophobic nature of the fatty acids in the cell membrane, which of the following best describes the position of the fatty acids within the membrane?
a. facing toward each other
b. facing away from each other
c. facing toward each other while others face away from each other
4. The cell membrane is composed of numerous proteins, some of which allow for passage of material in and out of the cell. Which of the following proteins allow large molecules to pass through passively?
a. receptor
b. channel
c. transmembrane transporter protein
5. Which of the following proteins have a carbohydrate molecule associated with it?
a. channel
b. adhesion
c. recognition
6. Since the liver cells detoxify drugs, they most likely have an abundance of __________.
a. smooth endoplasmic reticulum
b. nuclei
c. lysosomes
7. Since the cells of the cortex of the adrenal gland produce steroid hormones, they most likely have an abundance of __________.
a. mitochondria
b. nuclei
c. smooth endoplasmic reticulum
8. Since muscle cells make and utilize an abundance of ATP (energy) for muscle activity, each muscle cell most likely has numerous __________.
a. peroxisomes
b. lysosomes
c. mitochondria
9. During metabolism, hydrogen peroxide is produced as a byproduct. Hydrogen peroxide can lead to the formation of toxic products. In order to prevent this, the cells break hydrogen peroxide down to form water and oxygen. Which of the following cell organelles has this function?
a. lysosomes
b. smooth endoplasmic reticulum
c. peroxisomes

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