What Is the Most Common Form of Lipid Found in Food?
The most common form of lipid is triglycerides. Triglycerides are esters of glycerol with three fatty acids. Fatty acids in... View Article
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What Is the Role of Sarcoplasmic Reticulum in Muscle Contraction?
Sarcoplasmic reticulum stores calcium ions and releases them into the sarcoplasm on the generation of action potential during muscle contraction.... View Article
Where Does Mitosis Occur in the Body?
Mitosis occurs in the cells for growth and for repair and replacement of the damaged and dead cells. Mitosis occurs... View Article
What Is the Main Function of the Kidneys?
The main function of kidneys is to filter the blood and eliminate metabolic wastes and toxins. It regulates the concentration... View Article
Which Plant Hormone Breaks Seed Dormancy?
Gibberellins break seed dormancy in plants. It promotes seed germination. On the contrary ABA (Abscisic acid) induces dormancy and acts... View Article
What Are the 3 Accessory Organs of the Digestive System?
The three accessory organs or glands of the digestive system are the pancreas, liver and gallbladder. Further reading: MCQs On... View Article
What Are the 2 Parts of the Photosystem?
Photosystems are light-harvesting complexes involved in the absorption of light. Each photosystem consists of two parts. They are antennae and... View Article
What Is the Role of Nitrogen Fixing Bacteria in the Nitrogen Cycle?
Nitrogen-fixing bacteria fix atmospheric nitrogen to ammonia, which can then be taken up by plants. The process is called biological... View Article
Why Does Facilitated Diffusion Require No Energy?
Facilitated diffusion is diffusion mediated by transport proteins. The substances move down the concentration gradient from higher to lower concentration... View Article
Which Is an Example of Redifferentiation?
Redifferentiation is the process of maturing of dedifferentiated cells to perform specific functions and lose their capacity to divide again.... View Article
What Is the Epicotyl of a Seed?
Epicotyl of a seed is the portion of the embryonal axis above the cotyledons. It terminates with a stem tip... View Article
What Are Some Processes in Plants That Require ATP?
ATP is the energy currency of a cell. Plants require energy in various activities such as active transport of substances... View Article
What Is the Difference Between a Carrier Protein and Channel Protein?
Channel proteins have the ability to form hydrophilic channels or pores in the cell membrane and allow fast transport of... View Article
Which Hormone Regulates the Function of Thyroid Gland?
The function of thyroid gland is regulated by TSH (Thyroid-stimulating hormone) secreted by the pituitary gland. Hypothalamus also controls the... View Article
What Is the Role of the Casparian Strip?
The endodermis of the root contains deposition of suberin, which is a water-impermeable waxy material. It regulates the movement of... View Article
What Organisms Have Eukaryotic Cells?
Eukaryotic cells are present in all plants, animals and fungi. Bacteria contain prokaryotic cells. Eukaryotic cells have a well-defined nucleus... View Article
Which Is the First Stable Product of Calvin Cycle?
The first stable product of the Calvin cycle is 3-PGA (3-phosphoglyceric acid). It is a 3 carbon compound so the... View Article
Where Does Meiosis Take Place?
Meiosis takes place in germ cells, which are involved in male and female gamete formation during sexual reproduction. Further reading:... View Article
Which Cells Are Responsible for Transportation of Oxygen?
Oxygen is transported by erythrocytes or RBCs. Haemoglobin present in red blood cells carries oxygen in the blood. Further reading:... View Article
How Does the Sperm Reach the Egg in Gymnosperms?
Pollen grains are released from microsporangium and reach the ovules on megasporophyll by air currents. The pollen tube carries the... View Article
