Epidermal cells secrete a translucent, waxy ____ to slow water loss
a. mesophyll
b. cuticle
c. pectin layer
d. lignin layer
e. trichome
ANSWER: b
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During sporulation in Bacillus subtilis, the response regulator that positively controls many genes needed for sporulation and negatively controls genes not needed during sporulation is
A. SpoOB. B. SpoOF. C. SpoOC. D. SpoOA.
Plants that reproduce asexually by growth of a new plant from stems or roots show vegetative propagation.
Answer the following statement true (T) or false (F)
The process an organism goes through to change from a simpler type of organization to a more complex type of organization is called
A. Training B. Education C. Instruction D. Development
In animal cloning, DNA donated from an adult stem cell
A. has to be obtained from an embryonic stem cell. B. has to be reprogrammed for the gene expression needed for early development. C. has to be from another species. D. has to be inserted into the egg cell before the egg cell's nucleus is removed.