Top answers

Biology
All levels

What is the role of the hormone insulin? How does it contribute to diabetes?

Insulin is a hormone released by the pancreas and it helps to control blood glucose levels. In a healthy person, when you have something to eat, the glucose is absorbed and enters your blood stream. In or...

Answered by Ceres H. Biology tutor
2229 Views

How does water play a vital role in sustaining life?

Water has many properties that make it an essential molecule within living things. One main property that water molecules have are hydrogen bonds. These are intermolecular forces that essentially allow wa...

Answered by Biology tutor
3348 Views

How is DNA replicated when a cell divides?

The DNA in the parent cell is made up of two strands. We know that each daughter cell needs to contain two strands with the same information after DNA replication. There are three ways we could produce th...

Answered by Biology tutor
1849 Views

Explain the three stages of drug testing.

First, drugs are tested on human cells and tissues, it is then tested on two different mammals. The final stage has two parts, the drug is initially tested on healthy human volunteers and they are given i...

Answered by Yasmin A. Biology tutor
1983 Views

How would you investigate the effect of light intensity on the rate of photosynthesis in pondweed? [6]

Apparatus is set up by first adding the pondweed to a beaker filled with water. The beaker has been sealed and any gas produced by will be collected by a syringe. Light will be provided by a lamp and its ...

Answered by boland S. Biology tutor
22549 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