Answer:
Antonie van Leeuwenhoek
Explanation:
Antonie van Leeuwenhoek was a Dutch linen merchant who specialized in grinding glass lenses to ever finer specifications. This grounded glass lenses built at an ever finer specifications was the groundwork for his manufacturing of the microscope that is used for studying and describing various living microscopic animalcules.
Are their any choices for this or is this a written response?
The answer is common ancestor.
Since these two organisms are adapted to different environments and still have structural similarities, that means that they must have a common ancestor. Common ancestor is an ancestral organism that two or more descendant lineages have in common.
Answer:
The correct answer would be -provide detailed information about the research and drug and let the man decide if he wanted to withdraw from the research or take new drug.
Explanation:
In this type of case where there is a drug that is in on going study or in clinic trail which is showing promising result, investigator should provide the client or subject a comprehensive account of the drug with is pro and cons and side effects.
He should discuss about the both currently available drug in market and ongoing research drug and let the man decide whether he want to be part of the research or withdraw from the research.
Answer:
Liver, 25-hydroxycholecalciferol.
Explanation:
Vitamin D is a fat soluble vitamin that increases the absorption of phosphate and calcium in the body. Vitamin D2 and D3 are most important for the human health.
The hydroxylation of cholecalciferol occur in the liver in order to be active vitamin D. The first hydroxylation of cholecalciferol produces 25-hydroxycholecalciferol.
Thus, the answer is liver, 25-hydroxycholecalciferol.
