Over a million students use our free study notes to help them with their homework
Light is needed to provide energy for the light dependent reactions of photosynthesis. A greater light intensity will provide more energy for these reactions to occur. At a low light intensity, the produc...
In a primary immune response the active immune system must first recognise the pathogen via B-lymphocyte cells with antibodies on their surface that are complementary to the antigens of the invading path...
Just Globular:spherical structure outward facing hydrophilic R-groups, inward facing hydrophobic R-groups, results in being soluble highly specific tertiary structures...
The 3 types of blood vessels in the body are arteries, veins and capillaries. Arteries carry oxygenated blood away from the heart to the rest of the body. Arteries need to maintain a high blood pressure i...
The heart is divided into two halves - right and left. In each half there are two chambers - an atria and a ventricle, which are connected by a valve. The right atria receives deoxygenated blood from the ...
←
152
153
154
155
156
→
Internet Safety
Payment Security
Cyber
Essentials