Answer:
mutations cause most cases of cancer. Some acquired mutations can be caused by things that we are exposed to in our environment, including cigarette smoke, radiation, hormones, and diet. Other mutations have no clear cause, and seem to occur randomly as the cells divide.
Interphase is important for cell division because it allows the cell to grow, replicate its DNA, and make final preparations for cell division.
Answer:
b. False
Explanation:
All biomes, even the most remote, are affected by the impact humans have on the environment.
Humans have been causing deforestation, pollution, agricultural expansion, mining, desertification, extinction of animals and plants, burning and other practices that have had extremely negative impacts on biomes around the world. In addition, all the pollution and exploitation of nature that humans have caused has caused harmful climate change that has affected even the most remote biomes.
The biome is a large set of interconnected ecosystems. Ecosystem, in turn, is an ecological system where there is life and interaction between living beings in a given space, and can vary in size, from a puddle to a large forest.
Answer:
B. C-G and A-T
Explanation:
The pairings are adenine and thymine and cytosine and guanine
Water molecules are COHESIVE due to HYDROGEN bonding. This property of water allows the individual molecules to stick to each other and allows for movement of water from roots to leaves.
The correct answer is B.
Water has certain qualities that allows it to be incorporated into the bodies of living organisms. Water forms hydrogen bonds because it is a polar molecule. The formation of these bonds leads to the cohesive nature of the substance making it suitable as a biological solvent.
