Answer:
A Semi-amplitude is half the distance of the peak-to-peak amplitude.
No, doesn't mean that it will always be inherited. Think of cancer , you can get it with or without it being heritable
Not sure what you mean by Head of the comet, but I know the other 3 are apart og the comet, so I would have to say C.
Answer;
A. In anaphase I, homologous pairs are separated but sister chromatids stay joined together.
Explanation;
-Anaphase of mitosis is stage during during which each chromosome's sister chromatids separate and move to opposite poles of the cell. The stage before anaphase, metaphase, the chromosomes are pulled to the metaphase plate, in the middle of the cell.
-Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. The sister chromatids remain attached at their centromeres and move together toward the poles.
Answer:
The correct answers: B, C and D.
Explanation:
- X-ray diffraction studies of the DNA reveal the following:
- The DNA is comprised of two strands which are coiled around each other in the shape of a helix.
- The backbone of the DNA is made up of phosphate and deoxyribose groups, alternately, which are exposed towards the outside of the helix.
- The nitrogenous bases which form the hydrogen bonds that link the two helices are directed towards the centre of the helix.