How do DNA and mtDNA differ? A DNA contains 23 pairs of chromosomes, while mtDNA contains 46 B DNA comes from the mother and the father, while mtDNA is manufactured in a lab C DNA is often damaged or can cause illness in unborn babies, while mtDNA is always free of defects D DNA comes from the mother and the father, while mtDNA is only found in the egg of the mother

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria