The answer is D.
Melatonin is a molecule that is produced in the pineal gland and secreted into the blood. Melatonin then travels to different parts of the brain. It tells the brain and the rest of the body about the time of wake and sleep. It causes drowsiness and decreases body temperature to assist in the regulation of the sleep/wake cycle. The melatonin secretion into the blood is regulated by the endocrine system, by the hypothalamus which on gets stimulated by the light.
The dissolved oxygen content in water
The correct statement is that "Archaea are older organisms than eukaryotes"
- Archaeans are group of organisms classified under the domain Archaebacteria. They are found in environments with extreme conditions e.g. high temperature etc.
- They are prokaryotic in nature i.e. they do not possess a membrane-bound nucleus in their cells.
- Based on this, archaea are not classified under the same domain as bacteria (domain- protista). They are unicellular organisms.
- However, archaea are older set of organisms than eukaryotes. This is the correct statement among the options provided.
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G1, S, and G2 The cell cycle has 4 phases those 3 and M phase... G1, S, and G2 together are called interphase.
Answer:
Campylobacter
Clostridium perfringens
E. coli
Listeria
Norovirus
Salmonella
Other important bacteria and viruses that cause foodborne illness include:
Bacillus cereus
Botulism
Hepatitis A
Shigella
Staphylococcus aureus (Staphylococcal [Staph] Food Poisoning)
Vibrio Species Causing Vibriosis
