Tag: dbt jrf pyq

85. Following are certain statements regarding Gibberellin (GA) signal transduction in Arabidopsis plants: A. DELLA is a negative regulator of growth. B. GA is not required for the interaction of […]

84. Which one of the following is not considered as a secondary messenger? 1. cAMP 2. ATP 3. 𝐶𝑎2+ 4. 𝐼 What Are Secondary Messengers in Cell Signaling? In cellular […]

82. Which one of the following laboratory tests would be the best to determine the number of CD4- positive cells in the blood of a patient infected with HIV? 1. […]

81. The group of organism in marine systems that feed on dead biomass and waste material is called 1. decomposers 2. omnivores 3. detritivores 4. anaerobic bacteria.   Understanding the […]

80. Signal propagation at a chemical synapse is characterized by A. delay and bidirectional signal propagation. B. delay and unidirectional signal propagation. C. efflux of 𝐶𝑎++ ions leading to release […]

79. Cells primarily produce energy through mitochondrial oxidative phosphorylation. However, most cancer cells predominantly produce their energy through a high rate of glycolysis followed by lactic acid fermentation even in […]

78. Roll tube technique is used for isolation of 1. Aerobic bacteria 2. Cyanobacteria 3. Stringent anaerobic bacteria 4. Pathogenic fungi   What is the Roll Tube Technique? The roll […]

77. An antimalarial drug such as primaquine is believed to act by causing oxidative stress to the parasite. This drug is not suitable for treatment in individuals having deficiency in […]

76. Cholesterol is transported in blood in the form of low-density lipoprotein (LDL) particles that contain Apolipoprotein, cholesterol, cholesteryl esters with long fatty acid chains and phospholipids. Where do you […]