What are the differences in replication between leading and lagging strands in terms of continuity and directionality in relation to the replication fork?
What will be an ideal response?
The leading strand is copied continuously from the 3' end toward the replication fork, while the lagging strand is copied in fragments away from the replication fork.
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A trait that enhances an individual’s fitness is
called ___ trait.
a. an adaptive b. a fitness c. a selective d. an artificial e. a natural
Cells surrounded by plasma membranes and no cell wall need to maintain a certain cell volume because an influx of water would cause the cell to explode. In order to reduce cell volume, these cells increase the activity of their sodium-potassium pumps.
a. true b. false
A dominant human genetic disorder that does not reveal itself until middle age is ________.
Fill in the blank(s) with the appropriate word(s).
If a cell has a normal osmotic pressure of 4500 mmHg and is placed into a solution with an osmotic pressure of 3500 mmHg, what will happen to the cell?
A. The cell will lose water and its osmotic pressure will increase. B. The cell will gain water and its osmotic pressure will decrease. C. The cell will lose water and its osmotic pressure will decrease. D. The cell will gain water and its osmotic pressure will increase.