The central nervous system contains:a
all sympathetic nerves.
b. all parasympathetic nerves.
c. all sensory receptors.
d. only the cerebrum and cerebellum.
e. a brain and a dorsal tubular spinal cord
E
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In a dihybrid cross involving two autosomal traits on different chromosomes in which the parents are purebred for the opposite forms of both traits, how many of the offspring would be expected to be homozygous recessive for both traits?
A. 9 out of 16 B. 6 out of 16 C. 1 out of 16 D. 3 out of 16
In bacteria, initiator tRNA carries formyl methionine.
Answer the following statement true (T) or false (F)
Explain the transpiration-cohesion-tension mechanism that acts in the xylem of plants
What will be an ideal response?
Phytochrome is converted from the inactive to the active form by being exposed to light of what color?
a. far red b. red c. yellow d. blue e. violet