Top answers

Describe the process of carbohydrate digestion.

Mastication breaks down food into smaller chunks increasing the surface area for digestive enzymes to work on, and making it easier to swallow the food. The salivary gland secretes amylase which hydrolyses s...
EK
Answered by Ela K. • Biology tutor
4226 Views

Why does the haemoglobin dissociation curve shift to the right when an individual exercises.

The concentration of carbon dioxide in a persons bloodstream rises during exercise. The carbon dioxide molecules interact with substances in the bloodstream to form carbonic acid. This causes the blood to be...
Answered by • Biology tutor
3729 Views

Describe the structure of an antibody and relate it to it's function.

An antibody is a Y shaped protein which has a constant region and a variable region . The variable region of an antibody is of a complementary shape to a specific pathogenic antigen and this allows the antib...
LR
Answered by Laila R. • Biology tutor
15120 Views

How does Insulin work within the body?

Insulin is a hormone that is produced by the pancreas and is released into the bloodstream to control the level of glucose in the blood. When the blood glucose concentration is too high, the pancreas secrete...
SP
Answered by Sonam P. • Biology tutor
3894 Views

Explain why it is important for a mammal to regulate its body temperature

The optimum temperature for enzymes in the body is around 37oC. If the body temperature falls below this temperature then enzymes will work too slowly for body process to occur fast enough the keep the mamma...
CH
Answered by Catriona H. • Biology tutor
5740 Views