Which human extraembryonic membrane forms the blood vessels of the umbilical cord?
A. Amnion
B. Yolk sac
C. Chorion
D. Allantois
E. Protein coat
Answer: D
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Phototropism is a plant response controlled largely by which color of light?
A. red B. blue C. violet D. green E. None of the choices is correct
The total resources a population consumes and the wastes it produces is its ____
a. ecological footprint b. vital capacity
c. carrying capacity d. non-renewable resources e. limiting factor
Bacteria can exchange DNA between strains of the same species and between different species.
Answer the following statement true (T) or false (F)
Please match the test with its description to assess your understanding of the kinds of data collected during information gathering and your understanding of the processes involved in identifying microbes from samples. Tests that determine chemical characteristics including enzyme production and nutritional requirements of the microbe
A) Appearance B) Biochemical tests C) DNA profiles D) Immunologic testing