Synergids are a part of the egg apparatus of the embryo sac. The megaspore mother cell divides meiotically to give rise to megaspore tetrad. Out... View Article
The embryo sac is the female gametophyte of angiosperms. It is formed by the functional megaspore produced from the megaspore mother cells. The... View Article
Triple fusion refers to the fusion of three haploid nuclei at the time of fertilisation in the embryo sac. The fusion of the second male gamete... View Article
The micropyle is the small opening present at the tip where the integument does not cover the nucellus in the ovule. Pollen tube enters the ovule... View Article
Synergids are part of the egg apparatus and present at the micropylar end of the embryo sac. It helps in guiding pollen tubes in the ovule and... View Article
Humans are diploid organisms with 46 chromosomes (2n = 46). Eggs are produced by meiosis during oogenesis so they are haploid and contain 23... View Article
The integument is the outer protective envelope of an ovule. It is diploid in a diploid angiosperm. Integuments are present outside the nucellus.... View Article
Cotyledons store food reserves in the seed. It is also called an embryonic leaf. Monocotyledons contain a single cotyledon, which is also known... View Article
Synergids are present at the micropylar end. The egg apparatus contains two synergids and an egg cell. Synergids help in guiding the pollen tube... View Article
A small amount of androgens is produced in females also from adrenal glands and ovaries. The excess androgen may be due to tumours in the ovary... View Article
Yes. Sucrose is a non-reducing carbohydrate, as it does not contain any free anomeric carbon atom and cannot donate electrons to other molecules.... View Article
Bioremediation is a branch of biotechnology that employs living microorganisms to clean up a contaminated site. Bioremediation is mainly... View Article
No. Haemophilia is not a transmissible disease or infectious disease. Haemophilia is a sex-linked disease which is also known as bleeder’s... View Article
Yes. Sickle cell anaemia is an autosomal recessive genetic disorder, which can be transmitted from parents to the offspring when both the... View Article
Sertoli cells are a type of somatic cell around,regulated by the pituitary hormone known as FSH- Follicle-stimulating hormone. These cells are... View Article
Cleavage is the process of division of cells in the early embryo. During cleavage: The size of the cells decreases. The zygote repeatedly divides... View Article
Yes. Tubectomy is a sterilization method in which a small part of the fallopian tube is removed or tied up. This process provides permanent birth... View Article
Aerobic respiration involves both syntheses of catabolism of carbohydrates and fatty acids and anabolic precursors for amino acid synthesis. The... View Article
As per the above-given diagram, the human female reproductive system consists of the following parts: Vagina Cervix Endometrium Ovary Fimbriae... View Article
The process of synthesizing food by utilizing chemical energy released in the oxidation of some inorganic substances is called chemosynthesis.... View Article
