Answer:
When wolves were removed from the habitat, the elk thrived, causing a population increase. more elk means an increase in the need for food. The leaves of an aspen tree make good food for elk causing over-grazing and soon, the "aspen trees will be eaten out."
Explanation:
Answer:
Active transport moves molecules from low to high. Which is B.
Answer:
DNA
Explanation:
Deoxyribonucleic acid (DNA) is known as the hereditary material of cells. It carries information for coding all type of proteins in the body.
As helicases are proteins, the genetic code from which they are to be made would be present in a specific sequence on part of DNA. This code would be transcribed and mRNA will be formed. After this, the mRNA will be translated and modified into a helicase enzyme.
Answer:
weak, but stronger than the gravitational force
Explanation: