Pulmonary circulation refers to the circulation of deoxygenated blood from the right ventricle to the pulmonary artery. Oxygenated blood from the... View Article
Nitrogen fixation is the process by which certain bacteria fix atmospheric nitrogen into ammonia, which can be utilised by plants. Nitrogen... View Article
Periderm is secondary dermal tissue. It replaces epidermis in older stems and roots and provides protection from mechanical injury, diseases,... View Article
No, GLUT4 is a passive transporter of glucose down the concentration gradient. It is a glucose transporter present in the adipose tissues,... View Article
No, breathing is external respiration, which includes both inhaling and exhaling. Internal respiration refers to exchange of gases, viz. carbon... View Article
Yes, it is too high than a normal respiratory rate. Respiratory rate is a vital sign of normal functioning of a body or any critical condition... View Article
Yes, it is close to normal but at a higher limit in adults. The respiration rate under 12 breaths per minute and over 25 breaths per minute is... View Article
TCA cycle is an eight-step process occurring in the mitochondrial matrix during aerobic cellular respiration leading to the release of energy in... View Article
In cellular respiration glucose is completely oxidised to carbon dioxide and water by utilising oxygen. The energy released during respiration is... View Article
Anaerobic respiration in humans occurs in muscles during strenuous exercise when sufficient oxygen is not available. It results in the build-up... View Article
Prions are abnormally folded proteins and they can change the shape of normal proteins by transmitting their misfolded proteins. They are known... View Article
Ions get into the cell by facilitated diffusion. Ions cross the hydrophobic plasma membrane through protein channels present in the plasma... View Article
Yes, glycolysis occurs in all living cells including humans during cellular respiration. It is an essential process for generating energy to... View Article
The intrapulmonary pressure is negative while inspiration, which allows outside air to move in and while expiration, the intrapulmonary pressure... View Article
Yes, cockroaches have an open circulatory system. They do not have blood capillaries and vessels for transport, instead, blood is present in the... View Article
Monera and Fungi are the two main kingdoms containing decomposers. Bacteria and fungi are decomposers, which belong to the Monera and Fungi... View Article
Enzymes are biological catalysts. They catalyse biochemical reactions. They increase the rate of reaction. They do not chemically react or get... View Article
Water is essential for reproduction in bryophytes for fertilisation. Water is required for flagellated sperms of bryophytes to reach the egg for... View Article
Mitosis is required for growth, repair and regeneration of dead and damaged cells. Mitosis produces genetically and morphologically identical... View Article
Chlorophyll is the main pigment of leaf present in abundance. The green colour of chlorophyll masks the other pigments such as yellow and orange... View Article
