Answer:
Size
Explanation:
All DNA is the same charge, It is ONLY size.
b) some bacteria reduce nitrate ion
The double chain in the unsaturated fatty acid cause it to bent; unlike saturated fatty acid which has no double bond, is straight.
The three substances that cause a double displacement reaction to occur are:
(i) Ionized compounds. These are usually water.
(ii) A gas that bubbles out a solution.
(iii) A precipitate.
In double displacement reaction is where two new compounds are formed when two parts of two compounds switch places. For example; when sodium chloride combines with silver nitrate, the two new compounds formed are Sodium nitrate and silver chloride reason being sodium and silver switched places.
Answer:
sea floor spreading occurs at mid ocean ridges
