Which of the following is an antioxidant?

What will be an ideal response?


Vitamin C

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology