The structure that surrounds the cell membrane of some cells, giving the cell a rigid shape is the cell wall.
The question is correct but the option is incorrect. The correct option is as follows:
a) Expedited Review b) Not Human Subjects c) Convened Review d) Exempt Review e) Full board review.
Answer:
Full board review.
Explanation:
IRB ( Institutional Review Board) is mainly responsible for the protection and maintains the ethics that are involved in the research related to humans and other animals.
The full board review requires more time that n the other type of review. This review is mainly done in the cases where the participants can get misleading information. This review includes the research that are based on to involve the judgement and involves less risk. The information given in the question explain the full board type review.
Thus, the correct answer is full board review.
Answer:b) The air at high altitudes are less dense, so its harder to breathe.
Explanation:
AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.
Answer:
six
Explanation:
Professor of Chemistry, University of Minnesota, Minneapolis. Oxygen group element, also called chalcogen, any of the six chemical elements making up Group 16 (VIa) of the periodic classification—namely, oxygen (O), sulfur (S), selenium (Se), tellurium (Te), polonium (Po), and livermorium (Lv).
A virus is a microscopic particle that can infect the cells of a biological organism. Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own. It has been argued extensively whether viruses are living organisms.