Which pair is properly matched?
a. chlorophyll a and photosynthesis
b. chlorophyll a and vision
c. indigo and photosynthesis
d. indigo and vision
Ans: a. chlorophyll a and photosynthesis
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Answer the following statements true (T) or false (F)
1. Mammalian eggs like those of humans undergo holoblastic cleavage and compaction during development. 2. The neural tube or spinal chord is derived from mesoderm. 3. The endoderm is a germ cell layer that tends to cover the embryo. 4. Fate mapping is a valuable tool to establish the type of cells derived from certain undifferentiated cells within an early embryo.
A diffuse, spreading infection of subcutaneous skin tissue is ________.
A. glomerulonephritis B. cellulitis C. rheumatic fever D. erysipelas
A scientist who examines the distributions of species around the world is most likely studying ____
a. taxonomy b. paleobiology c. biogeography d. natural theology e. natural history
In bacteria, it is common to produce polycistronic messages; in eukaryotes it is less common. Describe how polycistronic mRNAs are made and processed in prokaryotes and eukaryotes. How might polycistronic mRNA molecules be an advantage for eukaryotes?
What will be an ideal response?