Top answers


How does a vaccine prevent infection?

When vaccine is given small amounts of the dead or inactive pathogen are inserted in to the blood, this activates the body's white blood cells which then produce antibodies. These antibodies destroy the dead...
RB
Answered by Rosie B. Biology tutor
5054 Views

What is the difference between aerobic respiration and anaerobic respiration?

Respiration is the process by which the body creates energy by breaking down nutrients. This can either happen in the presence of oxygen, or without it. The key difference between the two processes are that ...
AW
Answered by Alex W. Biology tutor
15762 Views

What are the similarities and differences between animal and plant cells?

Similarities : Both have a nucleus Both have cytoplasm Both have a cell membrane Both contain mitochondria Both contain ribosomes Differences : Plant cells have a cellulose cell wall Plant cells have a vacuo...
PW
Answered by Phoebe W. Biology tutor
19916 Views

A walker falls through thin ice into very cold water. What does the body do to stop the core body temperature from falling too quickly?

The walker's body will do three things to help slow the decrease in core body temperature. The first is the walker will begin to shiver. Shivering is the spasming of muscles, the muscles as they work generat...
JT
Answered by Jack T. Biology tutor
10889 Views

Explain Charles Darwin's Theory of Evolution

Populations naturally vary . (Think of how people in your class vary in height, weight and other features) This variation is brought about by inheritance of genetic material from parents. In organisms that r...
LC
Answered by Lewis C. Biology tutor
5620 Views