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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
AF
Answered by Abbie F. • Biology tutor
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Discuss the role of enzymes in digestion (4)

Protein Breakdown --- > via prote ase in stomach and pancreas, breaking down protein to amino acids Lipid Breakdown ---> via lip ases in pancreas, breaking down lipids into fatty acids or glycerol Star...
SB
Answered by Shiv B. • Biology tutor
2260 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 cel...
BK
3410 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, chloropla...
ZU
Answered by Zahra U. • Biology tutor
3341 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 frameshift. Inversion - group of base...
ZK
Answered by Zofia K. • Biology tutor
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