Maximum DNA synthesis during the midproliferative phase of the cycle (i.e. cycle days 8â10) correlates with the maximum number of mitoses in both the stromal and epithelial endometrial cellular elements, as well as with the midproliferative peak of plasma estradiol and nuclear estradiol receptors.
Some defining characteristics of angiosperms include flowers, carpels, and the presence of endosperm, a nutritive substance found in seeds, produced via a second fertilization event. However, some current studies suggest that endosperm is not unique to angiosperms.
In angiosperms, pollen grains are ... Hapliod, and are made when haploid spores undergo mitosis In what ways is fertilization different in angiosperms than in other plants? Two fertilization events take place in angiosperms, producing zygote and endosperm What is the purpose of a flowers petals? To attract animals that will pollinate the plant