Biology Questions

Intrapulmonary pressure is the pressure within the alveoli of the lungs.

Persons with type AB blood are sometimes called universal donors is a FALSE statement. 

Persons with type AB blood are sometimes called universal recepients.

Persons with type O blood  are called universal donors.

Glucose is essential for energy in all the living organisms. When we have more glucose than needs in our bloodstream, then the excess glucose is stored as large compounds as Glycogen. This glycogen fills the cells of the liver and available for any quick shots of energy.

Hence, Liver is called as warehouse for the excess glucose.

Humans cannot digest cellulose because they are lacking with the enzymes responsible to breakdown the beta acetal linkages.

Eukaryotic cells are found in plants, animals and unicellular organisms.

The three main part of Eukaryotic cells are

1. Plasma membrane or membrane-bound organelles which carries out the cell functions.

2. Nucleus which contains the cell's DNA (and)

3. Cytoplasm which is a jelly like fluid interior of the cell.

The plant cell organelles, "The power house of the cell" mitochondria and the chloroplasts contains their own DNA and ribosomes.

Pollen is a male plant gamete. When microspores produced after meiosis process on microsporangia of male gametophyte undergo mitosis and forms pollen grains.