The synaptic ________ is the narrow space between two neurons
Fill in the blank(s) with correct word
cleft
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Xanthophyll is a pigment found in plants that helps protect the photosynthetic protein D 1 from:
A. water reactions B. chlorophyll C. damage by high temperatures D. damage by excess light energy E. membranes
The matrix is to the mitochondrion as the ________ is to the chloroplast.
Fill in the blank(s) with the appropriate word(s).
What is one piece of evidence that supports the hypothesis that cancers are clonal?
What is one piece of evidence that supports the hypothesis that cancers are clonal? A) A tumor grows in a single anatomical site. B) All cells from the same cancer have identical mutations. C) All cells from the same tumor have identical karyotypes. D) All cancer cells from a heterozygous woman have the same X chromosome inactivated. E) Individuals of all ages, including children, can develop cancer.
Although the researcher estimated fitness by survival, he could have also used another proxy for fitness, such as mating success.
a. true b. false