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What are features of alveoli that allow lots of oxygen to enter the blood?

Large SA, good blood supply, short diffusion distance

Answered by Abbie F. • Biology tutor

2500 Views

Discuss the role of enzymes in digestion (4)

Protein Breakdown --- > via protease in stomach and pancreas, breaking down protein to amino acids
Lipid Breakdown ---> via lipases in pancreas,...

Answered by Shiv B. • Biology tutor

1665 Views

Compare anaerobic respiration in a yeast cell with anaerobic respiration in a muscle cells.

Yeasts are eukaryotic single-celled organisms. Muscle cells are eukaryotic cells too however they exist within animals, rather than on their own.Anaerobic respiration in yeast produces ethanol. In muscle ...

Answered by Besir Kemal A. • Biology tutor

2470 Views

Compare and contrast the cell structure of animal, plant and bacterial cells

Animal cell:organelles: nucleus, ribosomes, mitochondria, cytoplasm and cell membrane size: Most are 5 μm – 100 μmPlant cell: organelles: nucleus, ribosomes, mitochondria, cytoplasm ,cell membrane, chloro...

Answered by Zahra U. • Biology tutor

2364 Views

What are the types and effects of genetic mutations?

Insertion/deletion - one or more nucleotide pairs are put in/taken out of a sequence -> causes frameshift. Duplication - one or more bases are repeated -> leads to ...

Answered by Zofia K. • Biology tutor

1770 Views