Questions

FALSE. Each hemoglobin molecule can transport four molecules of oxygen.

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Heme the component of hemoglobin responsible for binding oxygen consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules, one molecule binds one molecule of oxygen and can bind up to four oxygen molecules.

Capital refers to buildings and equipment i.e, goods which are used by workers to produce other goods such as machinery, land, ...

Capital has a number of related meanings in economics, finance, and accounting.

In economics, Capital comprises one of the four major factors of production, the others being land, labor, and entrepreneurship.

In finance and accounting, capital generally refers to financial wealth, especially that used to start or maintain a business.

Part of the heat is conducted away by the metal table. Convection currents in air near the surface of the coffee are set up which accounts for some heat loss. Heat is also lost by radiation from the hot coffee to the surroundings. Most of the heat is lost by the last method.

A nutrient is a substance used by an organism to survive, grow, and reproduce. These are compounds in foods essential to life and health, providing us with energy.

There are two types of nutrients:

1. Organic Nutrients
2. Inorganic Nutrients

Carbohydrates (CHO), Lipids (fats), Proteins and Vitamins come under organic nutrients as they contain carbon. These can add fat to the body.

Minerals and Water come under inorganic nutrients as they lack in carbon. These cannot add fat to the body.

Here Joystick, Mouse and Scanner are Input devices through which data is given to the computers. But Headphones are output devices through which sound comes as an output from the computer or any devices.