1. What is the end result of using the technique known as polymerase chain reaction (PCR) on a DNA fragment?
A. A pattern of gene fragments separated by size
B. The sequence of the entire genome of an organism
C. Many copies of a DNA fragment
D. A single, large protein molecule

light dependent reactions:

light independent reactions:

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what is this saying?

plants absorb water from the soil by osmosis. root hair cells are adapted for this by having a large surface area to speed up osmosis. the absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: it transports dissolved minerals around the plant.