Answer:
The answer is rocks.
Explanation:
Since the main source of phosphorus is found in rocks, the first step of the phosphorus cycle involves the extraction of phosphorus from the rocks by weathering.
Answer: [C]: "competitive inclusion" .
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Answer:
The correct answer is option A
Explanation:
Hypoparaghyroidism occurs when thyroid gland produce little parathyroid hormone.
This is caused by:
1. Injury to the parathyroid glands during thyroid and neck surgery.
2. It is also caused by auto immune disorder. This is as a result when the body's natural defence against invading organisms starts to attack perfectly healthy tissues.
3. Congenital defects: This is as a result when infants are born without parathyroid tissue, that is ability to make thyroid glands or when the mother has hypoparathyroidism.
Diffusion/passive transport. Requires protein channels to allow passage through the membrane
DNA fingerprinting is used to analyze the DNA sample and identify the criminal. The DNA has a set of the portion, which is different in all unrelated people, and this is unique to every person. This is used as a fingerprint and is used to identify a person, in a crime scene.
