In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.
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What is cell membrane?</h3>
- The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment.
- It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space).
- The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain proper membrane fluidity at different temperatures.
- Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment.
- The integrated glycolipids of the outer lipid layer perform a similar function.
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Carbon dioxide is an example of a Greenhouse gas transported by the cardiovascular system to excretory organs and tissues
Answer:
Explanation:
nucleic acid is a polymeric macromolecule made up of repeated units of monomeric 'nucleotides' composed of a nitrogenous heterocyclic base which is either a purine or a pyrimidine, a pentose (five carbon) sugar (either ribose or 2′-deoxyribose), and one to three phosphate groups.
Answer:
social facilitation
Explanation:
The concept of social facilitation was first proposed by Norman Triplett. After observing a cycling event, in which he noticed that cyclist performed better when they have others around competing with them, rather than cycling alone just against time. This led him to duct an experiment where he gave some children strings to wound fishing reel. He observed that, children wound the fishing reel faster in the presence of other children performing similar task, when compared to when perform such task alone.
This concept discovered by Norman Triplett, best illustrates the concept of social facilitation, which posits that, individuals tend to perform better in the mere presence of others or when they perform a task with others, than when performing the task alone.
Answer:
mitochondria serve as the power house of a cell.
