Answer:
The correct answer is D. Although there is variability in the ages at which infants acquire various skills, the order in which skills are acquired is fairly consistent.
Explanation:
An infant's motor development occurs from the center of the body, from the top to the bottom. This means they control their heads, for example, before their feet.
It is fair to say that the ages in which an infant acquires the skills are consistent; he/she starts to develop gross and fine skills regularly.
Answer:Whether it is heterotrophic -would most likely indicate that the new organism is an animal.
Explanation:
Because it has no vaccine
Answer:
The Neolithic (or 'New Stone Age') is a term used for the period in our past when the shift from hunting and gathering wild animals and plants to a farming lifestyle occurred. It was also the time when pottery was first used, and in many regions people also began to live in permanent settlements.
A gingival epithelial cell is attached to the basal lamina. Hemidesmosome
type of cell junction allows the cell to attach to the basal lamina.
Hemidesmosomes are very small stud-like structures found in keratinocytes of the epidermis of skin that attach to the extracellular matrix. They are similar in form to desmosomes when visualized by electron microscopy, however, desmosomes attach to adjacent cells.
Hemidesmosomes are also comparable to focal adhesions, as they both attach cells to the extracellular matrix. Instead of desmogleins and desmocollins in the extracellular space, hemidesmosomes utilize integrins. Hemidesmosomes are found in epithelial cells connecting the basal epithelial cells to the lamina lucida, which is part of the basal lamina.[2] Hemidesmosomes are also involved in signaling pathways, such as keratinocyte migration or carcinoma cell intrusion.
Learn more about Hemidesmosomes here
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