Robert Hooke was an English scientist who first described ____ by looking at a thin slice of cork under his primitive microscope
a. organelles
b. cells
c. plastids
d. proteins
b
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Which of the following pairs of hormones are secreted by the posterior pituitary gland?
a) Prolactin and growth hormone b) Melatonin-stimulating hormone and oxytocin c) Oxytocin and antidiuretic hormone d) Follicle-stimulating hormone and thyroid-stimulating hormone e) Prolactin and ACTH
Increased concentrations of plasma proteins, increased venous pressure, and lymphatic obstruction all tend to cause tissue edema
Indicate whether the statement is true or false.
Pepsinogen
A. is secreted by parietal cells. B. is activated by salivary amylase in swallowed food. C. is packaged in zymogen granules. D. operates optimally at a pH of 5 or more. E. helps to form peptide bonds.
In mitotic division, the division of the parent cell occurs by ________ during ________.
A. mitosis; anaphase B. mitosis; telophase C. cytokinesis; telophase D. cytokinesis; anaphase