Figure 42.11
Use the figure above showing human embryonic developmental day 14 to answer the following question.
The structure that later becomes part of the placenta is indicated by ____.
A. A
B. B
C. C
D. D
E. E
Answer: C
You might also like to view...
Why are flowering plants considered by many botanists to be the most successful land plants?
What will be an ideal response?
All of the following are tenets of the cell
theory EXCEPT that a. all organisms consist of one or more cells. b. the cell is the smallest unit that retains the characteristics of life. c. since the first cell, each new cell is descended from previous cells. d. each cell is composed of products that it manufactures. e. cells may arise spontaneously under certain laboratory conditions
A woman who is heterozygous for the hemophilia allele has a 100% chance of having an affected son
Indicate whether the statement is true or false
Leader sequences contain signals that:a
prevent enzymes from degrading the newly synthesized mRNA. b. inhibit ribosome binding until the appropriate time. c. initiate chain termination. d. allow the ribosomes to be properly positioned for translation of mRNA molecules. e. allow tRNA molecules to successfully bind to mRNA.