A basketball rolls across the court by the force of a human pushing or the wind. It will stay in motion until acted on by another force like another player or a wall.
Catabolic pathway that breaks molecules into energy
In an organism, biochemical reactions can be broadly categorized into 2, anabolic and catabolic. The former break down larger molecules into simpler molecules while the later does the vice versa.
Explanation:
Therefore catabolic reactions are mostly spontaneous because they tend to increased entropy (or lower Gibbs free energy) while anabolic reactions tend to reduce entropy (or increase Gibbs free energy). The catabolic reaction can do work (because they release energy) hence are used to do work while anabolic reactions consume energy hence cannot do work.
Cellular respiration is a catabolic reaction because it breakdown glucose molecules to harness the energy in the bonds to make ATP molecules.
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For more on anabolic and catabolic reactions check out;
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Answer:
Explanation:
In a cross-section of an adult tree trunk, the outer layer that interacts with the environment is called periderm (Layer D). The second layer that follows the periderm is the phloem (Layer C). The next layer is the cambium, which produces phloem cells and xylem cells (Layer B). The secondary xylem follows the vascular cambium (Layer A) and finally, the medulla is located in the middle of the trunk.
The secondary xylem proceeds from the vascular cambium activity. Its cells are orientated in different ways composing the vertical/axial system and the horizontal/transversal system. The secondary xylem is essential to the tree growth in high because of its resistance and the capacity to transport water long distances. Secondary xylem functions are to transport water and minerals through its vessels and tracheids, to provide support and resistance to the plant, and to store reserve substances.
When their concentration increases it is called bio accumulation
People have grown completely immune to smallpox, meaning that the vaccine has done it's job and is no longer needed.
