Top answers

Biology
All levels

Mitochondrial DNA can be used as evidence for human evolution. Explain why mitochondrial DNA is used rather than nuclear DNA

The first reason why mitochondrial DNA is better than using nuclear DNA is because it is in a higher abundance than nuclear DNA. Furthermore, mitochondrial DNA is more stable over time and less susceptibl...

Answered by Riya P. Biology tutor
6947 Views

Describe the process of gas exchange between the lung's alveoli and capillary network.

Once the oxygen in the blood has been used by the tissues, oxygen deplete blood is carried to the lungs. This comes into close contact with the oxygen rich environment of the alveoli, and diffusion occurs...

Answered by William G. Biology tutor
2440 Views

Carbon Dioxide and water are needed for photosynthesis. Write a balanced symbol equation for photosynthesis.

6 CO2 + 6 H2O → C6H12O6 + 6 O2

Answered by Hannah B. Biology tutor
2360 Views

what is the role of the pancreas in the digestion of fats, and the role of bile in this process

The pancreas produces enzymes called pancreatic lipase which act upon fat absorption. Pancreatic lipase acts to breakdown Fats, into Monoglycerides and Fatty acids. These are much smaller units that allo...

Answered by Musa A. Biology tutor
2341 Views

Explain autosomal dominant and autosomal recessive inheritance

Autosomal dominant inheritance means that a condition or disease means that a genetic condition is caused when an individual inherits one copy of the condition gene from their parents. Children inherit tw...

Answered by Lydia G. Biology tutor
2600 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences