Dorsal protein enters the nucleus and ventralizes the cell

TLS Online TPP Program

#Id: 1392

#Unit 4. Cell Communication and Cell Signaling

The giant protein titin extends through the thick filaments and attaches to the Z disk.

TLS Online TPP Program

#Id: 7744

#Unit 1. Molecules and their Interaction Relevant to Biology

An ionic radius is one-half the distance between the nuclei of two ions in an ionic bond.

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#Id: 9557

#Unit 11. Evolution and Behavior

Where, though, do these hereditary variations come from?

This was the great gap in Darwin’s theory, and he never filled it. The problem was serious because, according to the prevailing belief in blending inheritance, variation should decrease, not increase.

TLS Online TPP Program

#Id: 3190

#Unit 3. Fundamental Processes

To replicate mammalian mitochondrial DNA, the short strand in the D loop is extended. The displaced region of the original L strand becomes longer, expanding the D loop

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#Id: 413

#Unit 2. Cellular Organization

H2AX is normally present in only 10%–15% of the nucleosomes in multicellular eukaryotes