Some animals have subcutaneous skin
Proteins are secreted by phagoexcretion
Tissue performs an inert requirement whereas organs perform a role in the body - it could be what is called "flesh"
Ribosomes structure: in shape it is a circular oval
- allows you to make 2 blurry objects into 1 object
- how distinguished a picture is
A catalyst speeds up a reaction without being used
A catalyst speeds up a reaction without reacting
Activation energy :
- the minimum amount of energy needed to activate the activity of an enzyme
- the amount of energy needed to activate an enzyme and does not take part in a reaction
Function of the tail of a sperm:
used to propel the sperm through the testicles
Why does photosynthesis take place most rapidly in the summer?
Because bees are out to move the seeds about
take the light away
stop the sun
Explain why the new breed of potato may lead to crops failing:
Aphids that are resistant will get bigger and bigger.
Why are there no blood vessels in the cornea?
Because then we would see red.
If ciliary muscles contract with less force it means
- the curvature of the reflected rays won't be as clear.
- the lens is less focussed
- eyesight will be less vivid
When reading a book, in the eye the lens projects the words at the fovea
Why is nectar an adequate diet for the adult butterfly?
Butterfly does not need to look to the long term, unlike the larva.
The concentration gradient causes the blood to break away from haemoglobin and enter the cells.
In the lungs haemoglobin diffuses into red blood cells.
To reduce heat loss, the distance of blood vessels from the skin is increased
In a fish's gill, capillaries move in the opposite direction to the water
Negative feedback is the feedback of negative things so that the brain takes action
By cohesion-tension theory, the xylem vessel should be taught
At night, the tree is frightened to lose water
Comment on an experiment involving desert rats:
this group lost water in the dessert
Stimulation speeds up the heart race
The snake could kill its prey by suffolkating it.
To obtain accurate results we will include a process of repentance (replication?)
Cone cells are sensitive to light and rod cells are not
Part of brain: the medusa
Bundle of vis
The impulse passes along non-conductive fibres
The resting potential is established by creating a very negative concentration of Na+ ions in the axon
In C4 photosynthesis CO2 is converted to CO4
At the blind spot light is reflected directly down the optic nerve
If the cacti is farther away from the sun there is a chance there is more water.
Name an enzyme (clue: ends with -ase):
[might have meant streptokinase]