#Question id: 11548
#SCPH28 | 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?
#Question id: 11549
#I Life Science/ Life Sciences Group – I-V
If a biochemist discovers a new molecule, which of the
following pieces of data would allow her to draw the conclusion that the
molecule is a steroid hormone?
I) The molecule is lipid soluble.
II) The molecule is derived from a series of steps
beginning with cholesterol.
III) The molecule acts at a target tissue some
distance from where it is produced.
IV) The molecule uses a transport protein when in an aqueous solution such as blood.
#Question id: 11549
#SCPH28 | Zoology
If a biochemist discovers a new molecule, which of the
following pieces of data would allow her to draw the conclusion that the
molecule is a steroid hormone?
I) The molecule is lipid soluble.
II) The molecule is derived from a series of steps
beginning with cholesterol.
III) The molecule acts at a target tissue some
distance from where it is produced.
IV) The molecule uses a transport protein when in an aqueous solution such as blood.
#Question id: 11550
#I Life Science/ Life Sciences Group – I-V
Which of the
following are similar in structure to cholesterol?
I) estradiol
II) insulin
III)
glucocorticoids
IV) testosterone
V) antidiuretic hormone
#Question id: 11550
#SCPH28 | Zoology
Which of the
following are similar in structure to cholesterol?
I) estradiol
II) insulin
III)
glucocorticoids
IV) testosterone
V) antidiuretic hormone
#Question id: 11551
#I Life Science/ Life Sciences Group – I-V
Polypeptides can have which of the following types of
effects?
I) autocrine
II) paracrine
III) endocrine