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Biochemistry - Cell Structure and Compartments

Exercise : Cell Structure and Compartments - Section 1
  • Cell Structure and Compartments - Section 1
11.
According to the fluid mosaic model of cell membranes,
the most common type of molecules in the membrane are proteins
basic membrane structure results from how the proteins interact with water
the membrane is a highly mobile mixture of phospholipids and proteins
the unique properties of cell types are determined by their phospholipids
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The simplest way to differentiate a prokaryotic cell from a eukaryotic one is to
look for a plasma membrane
see if a nucleus is present
check for the presence of DNA
determine if the cell is an entire organism or not
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which of the following is the best criterion for deciding whether a cell is prokaryotic or eukaryotic?
The cell came from a single-celled or multicelled organism
The cell has a nucleus or not
The cell has cytosol or not
DNA is present in the cell or not
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.
animals; plants and fungi
plants; animals and fungi
plants and fungi; animals
animals and plants; fungi
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts
increase the surface area where key chemical processes can occur
help the cell against physical damage
make it possible to package large amounts of DNA within the cell
assist with cell movement
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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