A photon.
The main point of his light quantum theory is the idea that light's energy is related to its oscillation frequency (known as frequency in the case of radio waves).
Answer: four criteria to establish a causative relationship between a microbe and a diseases
Explanation:
1- "Bacteria must be present in every case of diseases"
2- "Bacteria must be isolated from the host with the diseases and grown in pure culture"
3- "The specific diseases must be reproduced when a pure culture of bacteria is inoculated into a healthy susceptible host"
4-"Bacteria must be recovered from the experimentally infected host"
Answer:
(c). Eukarya.
Explanation:
Prokaryotes are primitive, single-celled organisms that lacj complex membrane-bound cell organelles, such as nucleus, mitochondria, and endoplasmic reticulum.
Prokaryotes are grouped into two domains, including Archaea and Eubarteria. Archaea includes prokayotes that can live in extreme conditions are known as extremophiles, while domain Eubacteria includes all true bacteria.
Prokaryotes do belong to domain Eukarya as Eukarya includes all eukaryotic organisms.
Thus, the correct answer is option (C).
Explanation:
Denitrification is basically a biochemical phenomenon where nitrate is used by the bacteria living in the soil for the process of their respiration instead of using Oxygen from the air, consequently, the nitrates are converted into nitrous oxide and nitrogen gas. The process of denitrification is accelerated mostly in the wet and warm soil where there is lot of nitrate available.
This process is exhibited by Alkaligenes, Pseudomonas and Bacillus etc. Most of the bacteria involved in this process are facultative aerobially heterophs who has the ability of switching to denitrification from normal respiration when they find that the normal oxygen is running out.
Genes are the biochemical units making up chromosomes. The human traits are being influence by genes acting together. Inherited genes do contribute to individual differences in temperament which is the answer. It refers to the individual differences in behavior biologically yet independent in regard to learning, attitude and values.
