Answer:
The research shows that for the cortex to evolve to be large, primates need a longer pregnancy, whereas a longer childhood is needed for a larger cerebellum to evolve. This means it is critical for infants to have the right environment to develop crucial skills.
Explanation:
Answer:
Both ATP and NADPH are needed to make sugars
Explanation:
ductile deformation
Explanation:
Deformation is the change in size or shape of a body due to the application of stress. There are two main types of deformation:
- Ductile deformation occurs where a body is deformed permanently without any fracturing such as seen when folds are formed.
- Brittle deformation occurs when a body changes size and shape in the presence of stress and it fractures because it is no more elastic but plastic. They produce faults and other fractures seen in rocks.
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Answer:
Which virus had the greatest infectivity
B
?B. Which virus was most pathogenic?
A
C. Which virus was most virulent?
A
Explanation:
Following fertilization, the single-celled zygote undergoes cleavage, where it is then divided into numerous tiny cells. After 3 to 4 days of fertilization, the cleavage produces a 16 celled embryonic stage known as morula, which is contained within the zona pellucida.
After about 4-5 days of fertilization, cleavage produces a sphere mass of cells known as blastomeres, which is covered by a layer known as trophoblast and has a fluid-filled cavity in the center, known as blastocoel. The blastomeres then migrate inward, changing position and undergoing rearrangements. This is known as gastrulation.
Gastrulation then causes the development of three germ layers: ectoderma, endoderma, and mesoderma. The interaction of cells and the rearrangement of tissues and organs occurs only after the formation of germ layers.