David shows delayed intellectual development and has flattened facial features. The doctors explain that this genetic disorder is a result of extra genetic material in the 21st chromosome. Which disease is David suffering from?

Write down any observations you have made regarding the effect of pollution on the environment.

How might human activities change to compensate for a decrease in water supplies?

At which position on an electrocardiogram do the atria contract? P wave QRS wave T wave QT interval

Which of the following is not correct about the nucleus of an animal cell

Alan lives in an area that has a huge park. Moreover, there is good quality of air and water in his region. What is the possible consequence of such conditions? premature deaths asthma cardiovascular diseases high life expectancy

How has modern science refined our understanding of evolution since darwin/wallace's publication?

What is the control center of a cell

The smallest structure that carries out all of the activities for life is?

There are more inorganic than organic compounds. True False

Cancer can be caused by mutations. genetic analysis of a tumor found in a patient we shall call anna shows that the cell proliferation was triggered by a somatic mutation in the myc gene, causing this gene to be inappropriately activated.