As they begin to develop, in which direction do the palatine shelves grow?
A. Lateromedially
B. Mediolaterally
C. Obliquely and inferiorly
D. Obliquely and superiorly
E. Superiorly
Ans: C. Obliquely and inferiorly
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You observe a houseplant on your window sill bending toward the bright afternoon sunlight. Being knowledgeable, you wish to explain the molecular events of the phototropic response to your friend. What is the correct sequence that you would describe?
I. PHOT1 attains a phosphate group, and changes shape II. cell elongation occurs on the shady side of the plant III. auxin binds its receptor at target tissues IV. light strikes PHOT1 V. PHOT1 stimulates downward auxin transport on the shady side of the plant VI. light strikes stomates, which close, minimizing water loss VII.cells on the illuminated side of the plant become shorter A) VI, VII, II B) VII, II, III, I C) IV, I, V, III, II D) IV, VI, III, VII E) any of these sequences can initiate phototropism
Photorespiration in chloroplasts differs from cellular respiration in mitochondria in that ___
A. ATP is required for photorespiration but is a product of mitochondrial respiration B. NADH supplies high energy electrons in mitochondrial respiration, whereas RuBP supplies the electrons necessary for photorespiration. C. photorespiration supplies plant cells with ATP. Mitochondrial respiration supplies animal cells with ATP. D. carbon dioxide is produced in mitochondrial respiration, and oxygen is produced in photorespiration
Which lobe of the cerebrum is a processing center for vision?
a. parietal b. occipital c. temporal d. frontal e. ganglional
Only mammals produce hormones
Indicate whether the statement is true or false