Answer:haemoglobin
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Answer: 
Explanation: Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.
Photosynthesis is the process used by plants, algae and certain bacteria to convert energy from sunlight and turn it into chemical energy in the form of glucose which is used a s a source of energy by many organisms.
The balanced chemical equation for photosynthesis is written as :

Answer:
El conocimiento del ADN, su estructura y función, fue determinante para el desarrollo de la biotecnología moderna. ... Es decir que el ADN de un ser humano puede ser “leído” dentro de una bacteria, y una planta puede interpretar la información genética de otra planta diferente.
Explanation: