4. Give functions of:
Integuments
a.
b. Nucellus
c. Funicle
d. Synergid cells
Antipodal cells
Answers
Answer:
integument: The integument functions in locomotion, breathing and respiration, feeding, excretion, protection from desiccation, behavior, osmoregulation, water control, and as a food reserve
Nucellus: The nucellus is the largest part of the ovule. It houses the embryo sac as well as nutritive tissue and actually remains present in some flowering plants after fertilization as a source of nutrients for the embyo.
Funicle: funicle The stalk that attaches an ovule to the placenta in the ovary of a flowering plant. It contains a strand of conducting tissue leading from the placenta into the chalaza.
Synergid cells: are two specialized cells that lie adjacent to the egg cell in the female gametophyte of angiosperms and play an essential role in pollen tube guidance and function. ... The synergids are also essential for the cessation of pollen tube growth and release of the sperm cells.
The function of the antipodal cells is to provide nourishment to the egg cell. It is rich in lipid content. They also form the basis of endosperm...