In excreted urine, a reliable "marker" that a pregnancy has initiated is _____
A) progesterone
B) estrogen
C) follicle-stimulating hormone
D) human chorionic gonadotropin (hCG)
D
You might also like to view...
The MONOPTEROUS gene in Arabidopsis encodes a protein that is similar in its function to which animal protein?
A) MyoD in frog embryos B) Bicoid in fruit-fly embryos C) keratin in human embryos
Bioremediation refers to
A. rehabilitating wayward bacteria. B. using bacteria to clean up pollutants. C. vaccine development. D. monitoring newly discovered disease organisms.
Which of the following is mismatched?
a. dermal cells; cutin b. sclerenchyma; lignin c. parenchyma; pectin d. xylem; water e. cork; suberin
The product of the p53 gene _____
A) inhibits the cell cycle B) slows down the rate of DNA replication by interfering with the binding of DNA polymerase C) causes cells to reduce expression of genes involved in DNA repair D) allows cells to pass on mutations due to DNA damage