Top answers

Biology
A Level

The development of palm oil plantations in Sumatra has removed areas of forest that provided the habitat for tigers. Explain why planting strips of trees to link the forests would have an effect on the frequency of genetic disorders in these tigers.

Areas of trees linking the remaining patches of forest will mean that the populations of tigers are no longer geogrpahically isolated. therefore they will be able to breed with a larger gene pool and the ...

ES
Answered by Ella S. Biology tutor
2911 Views

Explain how proteins can be used as a respiratory substrate.

When supplies of carbohydrate and lipid are inadequate, the body can use protein as a respiratory substrate- in times of prolonged starvation, tissue protein from muscles can even be broekn down for this ...

LA
Answered by Lucy A. Biology tutor
12908 Views

For a dihybrid cross, how do you find out what proportion of offspring are expected to have a certain genotype?

The first step in tackling this is drawing a genetic diagram (which I would draw on the whiteboard). Say we are looking at a cross between two parents with genotype AaBb, so the cross would look like AaBb...

DM
Answered by Dan M. Biology tutor
3586 Views

What is Glycolysis?

Glycolysis is the first stage of aerobic and anaerobic respiration. Glycolysis occurs in the cytoplasm of a cell as glucose can't pass the mitochondrial membranes and the enzymes needed for its breakdown ...

AJ
Answered by Adam J. Biology tutor
4469 Views

Describe the pathway of oxygen getting from the air into the blood in the human body

diaphragm flattens and the chest wall moves up and out to decrease the pressure in the thorax. Inspiration occurs bringing air from the atmosphere into the mouth/nose and down the trachea, into the bronch...

IC
Answered by Isabel C. Biology tutor
12133 Views

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