The primary function of ___ is to store food. Its cells contain many amyloplasts that are filled with starch.

Root tubers

Explanation:

Firstly, amyloplasts are a type of plastids whose function is to produce and store starch granules. Amyloplasts are found to be numerous in the cells of storage tissues in certain plants. The ROOT TUBERS of some plants like potato stores carbohydrate in form of starch in the amyloplast organelles present in their cells.

According to this question, the ROOT, which contains numerous starch-storing organelles called AMYLOPLAST, primarily functions to store food for the plant.

fertilization, pictured in figure 24.23a is the process in which gametes (an egg and sperm) fuse to form a zygote. the egg and sperm each contain one set of chromosomes. to ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. in mammals, the egg is protected by a layer of extracellular matrix consisting mainly of glycoproteins called the zona pellucida. when a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place. in placental mammals, the acrosome contains digestive enzymes that initiate the degradation of the glycoprotein matrix protecting the egg and allowing the sperm plasma membrane to fuse with the egg plasma membrane, as illustrated in figure 24.23b. the fusion of these two membranes creates an opening through which the sperm nucleus is transferred into the ovum. the nuclear membranes of the egg and sperm break down and the two haploid genomes condense to form a diploid genome.

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