Which of the following statements best compares the peduncle and receptacle?
A. The peduncle and receptacle are identical, merely two names for the same structure.
B. The peduncle is haploid and the receptacle is diploid.
C. The peduncle is a reproductive part of a flower and the receptacle is a vegetative part.
D. The receptacle is the part of the flower that receives the pollen whereas the peduncle relays sperm to the ovule.
E. The peduncle is the tip of the stem bearing the flower and the receptacle is the base of the flower.
E. The peduncle is the tip of the stem bearing the flower and the receptacle is the base of the flower.
You might also like to view...
As adults, insulin signaling through its receptor kinase enables virtually every cell in our body to transport glucose across the plasma membrane into the cytosol. Insulin also induces some cells to divide
Based on what you know about cell signaling, discuss the sequence of events from the time when insulin encounters the cell to the cell's reaction, and how the signal comes to an end. What will be an ideal response?
In a cell, the concentration of glucose-6-phosphate is 83 ?M and of fructose-6-phosphate is 14 ?M. The ?G°' = 410 cal/mol for the conversion of glucose-6-phosphate to fructose-6-phosphate. Based upon this information, the ?G' for this reaction (in cal/mol) is
A) -644. B) -63.7. C) 0. D) 27. E) 644.
In Drosophila virilis, somatic cell nuclei contain 12 chromosomes while sperm nuclei contain only 6 chromosomes. What does n equal for this species?
A) 3 B) 6 C) 12 D) 24 E) 6 or 12, depending on cell type
The term "archenteron" refers to the developing:a
gut. b. lung.
c. notochord. d. nerve tube. e. skin.