The function of BMP4 is to ________ while the function of gremlin is to ________ BMP4.
A. cause apoptosis; act as a catalyst for
B. cause apoptosis; inhibit the function of
C. induce mitosis; amplify expression of
D. inhibit growth; amplify expression of
E. induce mitosis; inhibit the function of
Answer: B
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Which most completely describes the circumstances under which yarrow will alter its phenotype?
a. temperature, soil conditions and water conditions b. soil conditions only c. being produced by sexual versus asexual reproduction d. water conditions only e. asexual reproduction, soil conditions, and water conditions
Organisms that are used to decontaminate soils
may a. store the contaminants in their tissues. b. release pollutants into the air. c. degrade the pollutants. d. be any plant species. e. store the contaminants in their tissues, release pollutants into the air, and degrade the pollutants.
Burkitt's lymphoma, chronic myelogenous leukemia, and many other leukemias are caused by
chromosome ____________________. Fill in the blank(s) with the appropriate word(s).
At the beginning of prophase I, a total of ________ molecules of DNA are contained in a developing human sperm cell
A) twice as many (as compared to mature sperm) B) half as many (as compared to somatic cells) C) 92 D) 23 E) 46