Biology Answers

Mr M is considering a low carbohydrate diet. This diet initially restricts carbohydrate intake to 20g per day for the first two weeks.

Q3. Describe the underlying biochemistry in these two weeks. 

Mr M has been steadily putting on weight over many years. He recently attended a medical at work where his height and weight were recorded. It was determined that he now has a Body Mass Index of 35kgm-2.

Q2.

Describe how excess energy substrates from carbohydrates, fats and proteins are stored in the body.

Explain the chemical, physical and viscosity changes that starch in the maize meal and porridge undergoes during each stage of the process

Mr M has been steadily putting on weight over many years. He recently attended a medical at work where his height and weight were recorded. It was determined that he now has a Body Mass Index of 35kgm-2.

Q1.

If his height is 1.68m what is his weight? Comment whether this would be concern?

here are two histologic specimens of bone tissues. One of the specimens contains concentric lamellae. The other specimen is devoid of bone lamellae. What types of bone tissues are those?

In foxes, a pair of alleles, Q and q, interact as follows:  QQ will cause the fox to die at the embryonic stage; Qq produces platinum coloured fur, and qq produces silver foxes. Could a fox breeder produce silver foxes without having some foxes that would die?  Prove your answer by showing the full genetic cross (5 steps) and giving a word explanation at the end.

Create a dichotomous key (linear key or spider key) to classify a mushroom (fungi), germanium (flowering plant), and moss (non-vascular plant) based on your knowledge of the differences and similarities between plants and fungi.