Which of the following is an antioxidant?
What will be an ideal response?
Vitamin C
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Researchers believe the evolution of common bread wheat (Triticum aestivum) resulted from a series of ____ between
related species, some of which produced ____ species.
a. hybridizations; allopolyploid b. geographic separations; allopolyploid c. centromere inversions; autopolyploid d. chromosome deletions; autopolyploid e. chromosome rearrangements; autopolyploid
Which bird is a social parasite and lays its eggs
in the nests of other birds? a. catbird b. cowbird c. magpie d. Kirtland warbler e. blue jay
Which one of the following statements is TRUE regarding bone?
A) The epiphysis of a long bone is filled with yellow bone marrow. B) Bone is not considered to be a living tissue because it does not contain cells or blood vessels. C) Dense compact bone is located in the center of a long bone. D) Stem cells responsible for the production of blood cells are located in red bone marrow. E) The outer surface of a bone is covered with loose connective tissue.
In the thylakoid membranes, the pigment molecules in a light-harvesting complex _____
A) split water and release oxygen from the reaction-center chlorophyll B) absorb and transfer light energy to the reaction-center chlorophyll C) synthesize ATP from ADP and i D) transfer electrons to ferredoxin and then NADPH