Mitochondrial DNA sequences are useful to track recent evolution because
A) it mutates faster than nuclear DNA.
B) it encodes more ancient proteins than does nuclear DNA.
C) it is more stable than nuclear DNA.
D) it is inherited from mothers only.
A) it mutates faster than nuclear DNA.
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The cell membranes of wall-less archaeons are strengthened by
A. glycoprotein or protein layers. B. diglycerol ethers. C. pseudomurein. D. diglycerol tetraethers.
Chronic heartbun is called
What will be an ideal response?
If you were able to look very closely at a portion of DNA and find methylated histones, you would
A. be looking at a region of inactive chromatin. B. be looking at a chromatin remodeling complex. C. be mistaken since only DNA can be methylated, not histones. D. be looking at a region of active chromatin.
The products of fat digestion in the small intestine are reassembled into triglycerides by the intestinal epithelium before combining them with proteins to form ________.
A. vesicles B. bile C. chyme D. cholesterol E. chylomicrons