In HIV-infected patients, there is a gradual loss of CD4+ T cells over time. These cells, also called T helper cells, organize the immune system's attack on disease-causing invaders, like Salmonella.
Answer:
Virškinimas yra didelių netirpių maisto molekulių suskaidymas į mažas vandenyje tirpias maisto molekules, kad jas būtų galima absorbuoti į vandeningą kraujo plazmą. Tam tikruose organizmuose šios mažesnės medžiagos absorbuojamos per plonąją žarną į kraują.
Explanation:
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.
Answer:
The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.
Explanation:
It takes six atoms of carbon (C), six atoms of oxygen (O) and twelve atoms of hydrogen (H) to make one molecule of glucose (C6H12O6)