B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.
Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate.
Molecules that are present in the membranes of gram-negative bacteria and are the best-known pamps are called Bacterial lipopolysaccharides (LPSs).
Bacterial lipopolysaccharides (LPS) are the primary outer surface membrane elements present in almost all Gram-negative bacteria and it act as extremely strong stimulators of the innate or natural immunity in the diverse eukaryotic species ranging from insects to humans.
Eukaryotes are the organisms whose cells contain a nucleus and other membrane-bound organelles. eukaryote, any cell or organism that possesses a clearly defined nucleus. The first eukaryotic cells was evolved about 2 billion years ago. In this Cells with nuclei surrounded by a nuclear envelope with nuclear pores.
Learn more about lipopolysaccharides (LPSs) here
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Answer:
They would not be able to achieve homeostasis.
Explanation:
Homeostasis refers to the maintenance of a stable internal environment and the cell needs a healthy and proper enzymes to do this.
Answer: Phagocytosis
Explanation:
Phagocytosis is the ingestion of cells or particles as a defence mechanism when white blood cells (macrophages) engulf foreign matter such as bacteria and viruses or as part of a digestion process in free-living cells such as amoeba.