Answer:
Soil living organisms compromise from mammals (such as rats) to micro organisms (such as nematodes and protozoa). Soil organisms help in the modification of soil, and also in the decomposition of organic matter. However they can also pose as a treat to to some crops, as they are responsible for some plant diseases.
Explanation:
When living organisms breathe they give out carbon dioxide gas as a waste product. Carbon dioxide gas can be detected (identified) using a carbon dioxide indicator solution called bromothymol blue. To find out if there are living organisms present in the four different levels of soil takenfrom the deciduous forest.
The answer is C I believe
Answer:
B
Explanation:
i did this two months ago and its the only one i remember
The one who developed the culturing technique to enrich for a certain population of microbial cells from a complex community based on a particular metabolic phenotype of interest is Martinus Beijerinck. The correct option is C.
<h3>What is culturing technique?</h3>
Culture methods involve collecting samples from the field and culturing them to detect the presence of microbes.
The number of microbial species and their influence on corrosion are estimated. Culture media for various microbes have been established.
Culturing is simply the process of growing microorganisms in special media in the laboratory. It entails the preparation of sterile medium, as well as the inoculation, incubation, and examination of microorganisms.
Martinus Beijerinck invented the technique for enriching a specific population of microbial cells from a complex community based on a specific metabolic phenotype of interest.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
A. Frederick Griffith
B. Joseph Lister
C. Martinus Beijerinck
D. Sergei Winogradsky
Mutations can be somatic or inherited. Somatic mutations are mutations that occur in a single body cell, so only tissues derived from mutated cell are affected. Somatic mutations are not inherited. On the other hand, inherited or germline mutations occur in gametes (egg cells and sperm cells) and are passed onto offspring. As a result of these kind of mutations each cell in the organism is affected.
Somatic mutations: BRAF and KRAS gene.
Inherited mutations: FRG2 and BRCA1 gene.
