How Does Arsenic Inhibit Cellular Respiration?
Arsenic inhibits different mitochondrial enzymes and disconnects oxidative phosphorylation, thereby impairing cellular respiration. When arsenic interacts with sulfhydryl groups of... View Article
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How Does Molecular Evidence Support Evolution?
Similarities at molecular level indicate the common ancestry. Comparison of the DNA sequences helps in determining how closely two species... View Article
What Is the Difference Between Cardiac Output and Stroke Volume?
Stroke volume is the amount of blood each ventricle pumps out in one cardiac cycle. Stroke volume is approximately 70... View Article
Which Blood Vessel Is the Largest?
The largest artery in the body is the aorta. It carries oxygenated blood from the left atrium to the systemic... View Article
What System Works With the Circulatory System?
The circulatory system works closely with the respiratory system to transport oxygen and nutrients to different parts of the body.... View Article
What Organ System Is the Skin In?
Skin is a part of the integumentary system. It is the largest organ of the body. The integumentary system consists... View Article
Where Does Carbohydrate Digestion Begin?
Digestion of carbohydrates begins in the mouth with the action of salivary amylase secreted by salivary glands. Further reading: MCQs... View Article
What Is the Path of Systemic Circulation?
Systemic circulation starts with the heart pumping oxygenated blood from the left ventricle to the aorta, then through the arteries... View Article
What Are the 3 Main Types of Phagocytes?
The three main types of phagocytes are neutrophils, monocytes and macrophages. They destroy microbes by phagocytosis. They form the cellular... View Article
What Is Variation Give an Example?
Variations are the differences between individuals of the same species. E.g. colour of eyes, height, skin colour, etc. Variations occur... View Article
How Does Gene Linkage Affect Inheritance?
Linked genes are the genes, which are present in close proximity on the same chromosome. Linked genes are mostly inherited... View Article
What Is the Golgi Apparatus Made Of?
Golgi apparatus is a membrane-bound organelle present in the cytoplasm of eukaryotic cells. It is made up of many flat... View Article
What is the Primary Function of Glucose in Cells?
The primary function of glucose in the cell is to produce energy by catabolism. Glucose is the most common respiratory... View Article
Who Uses Spiracles to Breathe?
Insects use spiracles to breathe. Spiracles are tiny openings on the body surface, which leads to the trachea or respiratory... View Article
Why Are Nitrogen Fixing Bacteria Important?
Nitrogen is an essential element for living organisms. It is a part of many biomolecules, such as proteins, DNA, RNA,... View Article
What Is the Study of Phylogeny?
Phylogeny refers to the study of descent or evolutionary development of a species and evolutionary relationships between different organisms. Further... View Article
What Makes Chordates Different from Other Animals?
The main characteristics of chordates are the presence of a notochord, dorsal hollow nerve cord, post-anal tail and paired pharyngeal... View Article
Which One of the Tissue in Bark Is Formed as a Result of Dedifferentiation?
Dedifferentiation results in the formation of interfascicular cambium and cork cambium. Dedifferentiation is the process of regaining the capacity to... View Article
What Is the Most Efficient Form of Respiration?
Aerobic respiration is the most efficient form of respiration. Theoretically, there can be a net gain of 38 ATP molecules... View Article
What Is the Meaning of Endocytosis?
Endocytosis is the process of internalisation of substances into the cell. The substance gets surrounded by the cell membrane and... View Article
