The archenteron of the developing frog eventually develops into which structure?
A) reproductive organs
B) the blastocoel
C) heart and lung
D) digestive tract
E) brain and spinal cord
Answer: D) digestive tract
You might also like to view...
In a double-blind test the treating physician knows who is getting the actual treatment
Indicate whether this statement is true or false.
The development of a body plan with differentiated cells is achieved by ________
a. repression of mRNA translation b. expression of different genes in different embryonic cells c. absorption of specific proteins and enzymes d. suppression of proteolytic enzymes
You are a farmer that grows corn. You are offered a genetically modified variety of corn that is 100
percent resistant to corn borers. You have to decide what proportion of your field you should plant in resistant corn versus a variety that is susceptible to corn borers. Explain why you might choose one of the following proportions of resistant to susceptible: 100:0, 90:10, 75:25, or 50:50.
What will be an ideal response?Which of the following is an accessory system of vessels and organs that helps balance the fluid
content of the blood and surrounding tissues?
a. Circulatory system. b. Non-circulatory system. c. Accessory vessel system. d. Lymphatic system. e. Heart.