Explore the ovule of a flower. See the ovule definition and discover where the ovules are stored. Understand the ovule function in a flower and see...
A. To produce nectar B. To develop into a seed C. To attract bees D. To support the flower 相关知识点: 试题来源: 解析 B。解析:在植物繁殖中,胚珠(ovule)的主要功能是发育成种子。花蜜(nectar)是由蜜腺产生的,与胚珠无关,A错误。吸引蜜蜂的主要是花瓣等结构,不是胚珠,C错误。胚珠没有支撑花朵的...
The Carpel of a Flower The Function of a Carpel Parts of a Carpel Lesson Summary Frequently Asked Questions What is the importance of the carpel? The carpel represents the female reproductive organ in flowering plants. The carpel contains the stigma, style, and ovaries, which are all needed ...
The seed in angiosperms consist of three distinct parts, the seed coat, endosperm, and embryo. The seed coat is the outer layer which protects the inner embryo from physical or microbial damage. The embryo is the immature fertilized ovule of the seed that will germinate to produce the ...
The pistil, made up of the basal ovary that bears the ovules, elongated style, and terminal stigma, is the female reproductive organ of the flower. The female gametophyte, designated as the embryo sac, is located inside the ovule. The pistil is the recipient of the pollen and a conduit ...
The function of MADS-box genes in flower and fruit development has been uncovered at a rapid pace over the past decade. Evolutionary biologists can now analyse the expression pattern of MADS-box genes during the development of different plant species, and study the homology of body parts and th...
As the flower develops from a bud, a cell within an ovule called the archespore enlarges to form an embryo-sac mother cell (EMC). The EMC divides bymeiosisto produce four megaspores. In this process the number of chromosomes is reduced from two sets in the EMC to one set in the mega...
Beijing 100871, China; 2The National Plant Gene Research Center (Beijing), Beijing 100101, China As a cell cycle regulator, the Myb-related CDC5 protein was reported to be essential for the G2 phase of the cell cycle in yeast and animals, but little is known about its function in plants...
Understand what the male part of a flower is. Learn about the male reproductive part of the flower and the reproductive organ of the plant in...
What is a sepal in a flower? Sepals are modified leaves that function to protect the flower bud. They are the structure that covers or envelops it. Is the sepal of a flower male or female? Sepals are not male or female. They are the outer, protective layer of the bud and are found...