The three types of cones that respond to different wavelengths are designated __________.
Fill in the blank(s) with the appropriate word(s).Fill in the blank(s) with the appropriate word(s).
red green blue
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Lymphocytes can develop into cells that secrete defense proteins against disease. These cells are termed ________, while these proteins are called antibodies
A) T cells B) B cells C) plasma cells D) immunocytes E) phagocytes
The stretch receptors for the Hering-Breuer reflex are located in the
a. diaphragm b. elastic tissue of the lungs c. medulla d. smooth muscle of the airways e. trachea
In a child with rickets, the bones are prone to deformities caused by a lack of calcium, phosphate, or vitamin D. Which treated bone in Activity 2 most closely resembles the bones of a child with rickets? Why?
a. The bone treated with acid because the acid dissolves the calcium phosphate, making the bones less rigid and prone to deformation. b. The bone that was soaked in acid because the acid dissolves the collagen making the bone weaker. c. The bone that was baked because heat denatures the collagen proteins that are part of the bone matrix, making the bone brittle. d. The bone that was baked because the heat treatment softens the bone, making it more prone to deformation
The ability of a cell to give rise to an entire organism if implanted in a uterus is termed as ________.
A. pluripotent B. multipotent C. reproductive cloning D. totipotent