Answer:
Heterozygous in class data:
⇒ .44
Heterozygous in North America:
⇒ .48
Explanation:
edge 2021
Answer:
h - height
Explanation:
gravitational potential energy = m * g * h
m stands for mass. Mass doesn't change in physics
g stands for gravitational acceleration. It is a constant.
h stands for height. When the skater moves up and down the track the height from the ground changes. Therefore this variable does change.
Answer:
Cancer cells achieve proliferative immortality by activating or upregulating the normally silent human TERT gene (hTERT) that encodes telomerase, a protein with reverse transcriptase activity that complexes with other proteins and a functional RNA (encoded by hTR, also called hTERC) to make a ribonucleoprotein enzyme.
Explanation:
A rare cell that escapes crisis almost universally does so by reactivating telomerase and this cell can now become a cancer cell with limitless potential to divide. Almost all cancer cells have short telomeres and thus inhibitors of telomerase should drive such cancer cells into apoptotic cell death. Yet, each time a cell divides, the telomeres get shorter. When they get too short, the cell no longer can divide and becomes inactive or "senescent" or dies. This process is associated with aging, cancer, and a higher risk of death.
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The topsoil is the upper and outermost layer of soil, usually the top 2 inches to 8 inches. It contains the highest concentration of organic matter and microorganisms. Topsoil is used as the medium for all plant growth, whether it is a lawn, garden or prairie.
Answer:
The world needs to stop the use of Plastic Water bottles.
Because plastic is non-biodegradable, it pollutes the environment, the rivers, drainage systems, and even our oceans.
Plastic Water Bottles have become a bio-hazard to our marine ecosystem. Autopsies performed on some sea fish have revealed several kilograms of human waste comprising mostly of plastic.
Another reason why it is critical to commence the disuse of the plastic water bottle is that it is not sustainable. Plastic is made from resins. Resins are gotten from plants and trees. It is impossible to continue to harvest resins at the current rate of plastic production and still have a green earth.
In some countries, purchasing water in a plastic bottle is a status symbol. The politicians who need to make decisions with regard to these issues are not helping matters because many of them either are not concerned or have vested interests in the companies along the value chain of plastic water bottle production.
Economically speaking, discontinuing the production of plastic water bottle may hurt quite a few companies. However, the government can help them transition into the production of other types of bottles such as stainless steel or glass water bottles which have less hazardous effects on the environment.
Cheers!
