Which of the following can be described as the type of metabolism that occurs in states of famine, amino acids are diverted into glycolysis which produces ammonia and urea in the liver

Which of the following indicated that the molecule has been reduced?

These are responsible for clear visual perception and are responsible for color vision.  

The round central opening that allows light to enter the eye is called the:

This snail shell-like structure contains receptors for hearing.

The names of the three bones in the middle ear are the:

When a cup starts to slip from the hand it makes quick vibrations, which are felt through the hand. Which receptor, that is important in perceiving vibration, is being triggered?

Through which structure must sound pass in order to enter the middle ear?  

Damage to one optic tract or to primary visual cortex on one side of the brain causes loss of vision in the opposite visual field. This is known as:

These are located all over the retina and are responsible for black and white vision.