The plant physiologist F. C. Steward demonstrated that:a
the preprophase band is important in plant cell division.
b. orchids can be generated from pollen grains.
c. an entire plant can be generated from a single callus cell.
d. the monopteros gene codes for a transcription factor.
e. the shoot apical meristem gives rise to leaf and bud primordia.
c
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Pore in plasma membrane that allows water movement.
Choose the letter of the best match: A. abscisic acid B. trichomes C. aquaporin D. endodermis E. stoma
The rotation of bacterial flagella is powered by ATP hydrolysis.
Answer the following statement true (T) or false (F)
Which of the following methods is least useful for assessing levels of genetic variation in populations?
A) DNA sequencing B) VNTRs C) Protein electrophoresis D) Phenotypic observation E) RFLP analysis
In nature, RNAi protects cells against infection by what kind of pathogen?
What will be an ideal response?