Through studies using the animal cap assay this morphogen was shown to be important for the determination of the different types of mesoderm tissue in the developing embryo.
A. activin
B. noggin
C. Spemann's organizer
D. Hox gene
E. cadherins
A. activin
You might also like to view...
An enzyme's name is NOT likely to include
A. the type of reaction the enzyme facilitates. B. the location in the body where the enzyme is commonly found. C. the substrate the enzyme works on. D. -ase.
Answer the following statements true (T) or false (F)
1.During development, bone becomes progressively more calcified and hardened. 2.An individual skeletal muscle is separated from others by the connective tissue sheath which wraps it. 3.The basic job of skeletal muscle is to pump blood through the body. 4.When a motor neuron stimulates a muscle fiber, the fiber contracts. 5.The membrane of a muscle cell makes a deeply indented set of B tubules where a motor neuron contacts it.
A chromosome that has been broken and rejoined in
a reversed sequence has undergone a. inversion. b. deletion. c. duplication. d. translocation. e. aneuploidy.
__________ lengthen stems, break dormancy in
seeds and buds, and stimulate flowering. Fill in the blank(s) with the appropriate word(s).