Anaerobes are poisoned by oxygen and must live under very low oxygen conditions.
There are choices for this question namely:
<span>A. Education level
B. Income
C. Social support
D. Religiosity
</span>
The correct answer is education level. Income is likely to affect bereavement negatively and positively in low income and high income situation respectively. Social support also affect bereavement as a higher level of social support positively affects the situation. Religiosity also affects bereavement as to the insight of the person. On the other hand, regardless of the education level; a person in bereavement is not affected whether he is a high school graduate, college graduate, or even has a master's or a doctorate degree.
Cell-to-cell communication is particularly important in regulating gene expression during the embryonic development.
Cells in the developing embryo are constantly communicating with their neighbors. The molecules used by them in sending and receiving signals are crucial for normal embryogenesis. Various intracellular signaling pathways have been discovered, some of which are activated in response to secreted growth factors.
However, a few important signaling pathways are used often during embryonic development to regulate various cellular processes that shape the developing embryo.
Embryonic development is marked by the thorough regulation of cellular functioning so that the cells proliferate, migrate, differentiate, and form tissues at the correct place and time. These processes are genetically controlled and depend both on the history of cells, their lineage, as well as on the activities of signaling pathways, which coordinate the cell interactions leading to organogenesis.
To learn more about embryonic development here
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The prediction Redi made was that Maggots weren't going to rise on the jars fully covered, he wasn't a scientist that actually suported the hypothesis that life was generated spontaneouly, that's why he made this experiment.
Although many scientists didn't agree with him, it was a very importante experiment for the new hypothesis to come because he was one of the first ones to present it to the world. The hypothesis accepted for some people at that time was that life could rise spontaneously because of rotten food. To prove them wrong, Redi took 8 jars containing meat inside of them, half of them were fully sealed, and the rest was let into the open air. You know what happened right? The ones that were sealed didn't grow up maggots, but the others did.
Answer:
True.
Explanation:
The earth system is itself an integrated system, but it can be subdivided into four main components, sub-systems or spheres: the geosphere, atmosphere, hydrosphere and biosphere. These components are also systems in their own right and they are tightly interconnected.
