What is a characteristic of most animals?
A. They have Hox genes.
B. They are autotrophic.
C. They lack an extracellular matrix of proteins such as collagen.
D. They have cell walls.
A. They have Hox genes.
You might also like to view...
Using the definition of habitat and microhabitat, describe a marine habitat that you are familiar with and describe a microhabitat within that larger habitat
What will be an ideal response?
In monoecious species of plants, plants that have separate "male" and "female" flowers both on the
same plant, applications of gibberellin
a. cause all flowers formed to be "female". b. encourage proportionally more "male" flowers to develop. c. cause all flowers formed to actually be both "male" and "female". d. cause all flowers formed to be "male". e. encourage proportionally more "female" flowers to develop.
Sheep do not normally show symptoms of age until
they are about ten years old. Dolly showed symptoms of arthritis at a. one month. b. one year. c. two years. d. five years. e. eight years.
The scientist credited with the discovery of DNA (nuclein) from white blood cells in pus on surgical bandages is
A) Johann Friedrich Meischer. B) Eduard Zacharias. C) Fredrick Griffiths. D) Martha Chase. E) Oswald Avery.