Q. Assertion:Brassica napus lines carrying Ogura (radish) cytoplasm are highly efficient for commercial growth in cold climates without any modifications. 

Reason: The presence of radish chloroplasts in these lines causes chlorophyll deficiency under low temperatures.

#Question id: 11546

#Biochemistry

Steroid and polypeptide hormones typically have in common ________.

#Question id: 11546

#Zoology

Steroid and polypeptide hormones typically have in common ________.

#Question id: 11547

#Biochemistry

A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?

#Question id: 11547

#Zoology

A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?

#Question id: 11548

#Biochemistry

If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite. Given this scenario, what type of chemical signaling is occurring?

#Question id: 11548

#Zoology

If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite. Given this scenario, what type of chemical signaling is occurring?