How do exocrine glands differ from endocrine glands?
What will be an ideal response?
Exocrine glands secrete substances through ducts. Endocrine glands lack ducts and secrete substances (hormones) directly into the extracellular fluid.
You might also like to view...
Pigs have digitigrade locomotion because they walk on
(a) their ankles. (b) the soles of their feet. (c) the tips of their toes, which are modified as hooves. (d) their hands and knees.
The hormone oxytocin is produced by the hypothalamus and stored by the posterior pituitary gland. There it is released to the target cells in the
A. kidneys and mammary glands. B. thyroid and adrenal cortex. C. pancreas and uterus. D. kidneys and ovaries. E. mammary glands and uterus.
Which statement is NOT true?
a. Membranes are often perforated by proteins that extend through both sides of the membrane. b. Some membranes have proteins with channels that allow for the passage of hydrophilic substances. c. Hydrophilic substances have an easier time passing through membranes than do hydrophobic substances. d. The current concept of a membrane is best summarized by the fluid mosaic model. e. All of these.
A homeobox gene is one that produces a group of repetitive base sequences such as a VNTR
Indicate whether the statement is true or false