Monica takes the drug Accutane throughout her pregnancy, and her child has mental retardation and heart problems, due to the exposure. Accutane is a(n)
A) gene.
B) teratogen.
C) pregnancy modifier.
D) carcinogen.
B) teratogen.
You might also like to view...
In suggesting alternative hypotheses to explain figure 18.18, your lab partner states that perhaps mosses didn't evolve until recently, which is why they increase after herbs and shrubs. Which of the following would be the best response to your lab partner?
a. Mosses were actually the first land plants to appear b. Mosses are better adapted to dry climates c. All land plants appeared at roughly the same time d. If you look carefully at the graph, there were a few mosses present 300,000 years ago, so they probably arose then e. Mammoths probably ate the mosses, so they did not appear until after the mammoths went extinct
Which two organs systems provide materials required for the human body to produce ATP
a. Reproductive and exvretory b. digestive and respiratory c. respiratory and immune d. digestive and reproductive
Which is the last structure that a sperm travels through before it leaves the body?
a. ureter b. urethra c. vas deferens d. vas efferens e. epididymis
Adenylyl cyclase catalyzes the reaction in which:a
a protein is phosphorylated. b. ATP is converted to cAMP. c. GTP is converted to GDP. d. PIP2 is split. e. calcium ions bind calmodulin.