Explain how the function of rods and cones differ
What will be an ideal response?
Rods and cones are photoreceptor cells because they respond to light. Rods allow us to see gray tones in dim light, and they provide our peripheral vision. By contrast, cones allow us to see color under bright light conditions. Three varieties of cones are sensitive to particular wavelengths of visible light.
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Which of the following types of movement are not permitted at a synovial joint?
A) eversion B) flexion C) retraction D) gliding E) They are all permitted.
Name at least four things you know about enzymes
What will be an ideal response
The endoderm does not give rise to which of the following structures?
A. The lining of the respiratory tract B. The thymus C. The thyroid gland D. The blood E. The lining of the digestive tract
Because the kidneys help produce vitamin D, if the kidneys fail, the absorption of what substance would be impaired?
A. Calcium B. Sodium C. Potassium D. Protein