13 Questions
What is the function of the radula?
Feeding
What are the 'teeth' on the radula made of?
Chitin
Which type of signaling molecule travels over short distances by diffusion and helps regulate blood pressure, nervous system function, and reproduction?
Local regulators
How does the food mix with liquids for digestion after being broken off by the radula?
In the digestive system
In which type of signaling do non-hormonal chemical signals called local regulators elicit responses in nearby target cells?
Paracrine signaling
Which system is a slower responding system that influences all cells by means of hormones?
Endocrine system
What type of cell communications involve pores in the cell membrane that allow signaling chemicals to move from cell to cell?
Gap junctions
Which part of the pituitary gland stores and secretes two hormones that were synthesized in the hypothalamus: oxytocin and ADH?
Posterior Pituitary
Which system influences all cells by means of hormones and is slower responding?
Endocrine system
What type of cell communications involve pores in the cell membrane that allow signaling chemicals to move from cell to cell?
Gap junctions
Which part of the pituitary gland secretes hormones like ACTH, TSH, LH, FSH, GH, and Prolactin?
Anterior Pituitary
What are the types of secreted signaling molecules mentioned in the text?
Hormones, Local regulators, Neurotransmitters, Neurohormones, Pheromones
What type of signaling molecule travels over short distances by diffusion and helps regulate blood pressure, nervous system function, and reproduction?
Local regulators
Explore the feeding mechanism of mollusks with the unique radula, a structure consisting of rows of chitinous teeth used for breaking down food. Learn about how this specialized organ aids in digestion within the gastric pouch.
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