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The pancreas is an endocrine and an exocrine gland, indicate both of these functions.

Pancreas' exocrine function is mainly aimed at digesting food. It secrets pancreatic digestive enzymes which travel into the pancreatic duct and are released into the duodenum. Pancreas' endocrine function i...
FK
Answered by Fady K. • Biology tutor
6282 Views

I don't understand how muscle contraction starts, can you explain it?

So, if we looks at the sarcomere of the muscle (which is from one Z line to another) you'll see a thicker looking strand/filament called myosin and thinner strands called actin. Myosin has bulbous structures...
MK
Answered by Monica K. • Biology tutor
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Name two organelles that are present in a plant cell that are not present in an animal cell and state their functions?

There are many organelles you could choose from so long as it is only present in plant cells and you can explain it's function it is appropriate. Examples include:Cell wall - provides structural support made...
TB
Answered by Thomas B. • Biology tutor
4699 Views

What is the difference between chromatin and a chromosome?

The difference between chromatin and chromosome can be highlighted when using the analogy of a wool. Chromatin is the unwound wool pile of wool where as chromosomes are the tightly wound and condensed wool b...
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Answered by Francesca B. • Biology tutor
8583 Views

Describe and explain the electron transport chain and oxidative phosphorylation

For this kind of question, facts such as how this is the last step of aerobic respiration, which happens in the mitochondrial membrane - most specifically the cristae (inner folds of the mitochondria) - shou...
AE
Answered by Alejandro E. • Biology tutor
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