Answer:
A
Explanation:
Because there are two DNA strands in the DNA molecule and they both rotate around each other in a helix formation. So two helixes = double helix.
Answer:
The cell will shrink
Explanation:
In an hypotonic solution, water moves into the cell through the process of osmosis. This shall be due to the high concentration of water in the hypotonic solution than that in the cytoplasm.
Due to this movement, the cell bulges out.
If the cell is transferred to a hypertonic solution, water shall move out of the cell thereby making the cell shrink. This is because water concentration in the cytoplasm shall be higher than that in the hypertonic solution.
Effect to the survey shall be an experience of the exact opposite of the previous immersion.
Burning paper is a chemical change not a physical one. Hope this helped <span>
ﾉ◕ヮ◕)ﾉ*:･ﾟ✧</span>
Answer:
the answer is :
Lane 3 contains the longest DNA fragment
Ecosystems need producers because they are the start of the food chain.
Producers are consumed by first consumers, the second consumers and so on.
