Thymine and cytosine are classified as "Pyrimidines" and have one ring of carbon and nitrogen atoms for each base.
These are the answers to the following questions:
1. In what type of rocks would geologists most likely find evidence of past life forms?
-igneous rocks
2. The physical, chemical and biological laws that opeate today have also operated in geologic past. This statement relates to the principle of
-cross-cutting relationships
3. In general, the law of superstition states that in an underformed sequence of sedimentary rocks, each layer is
-older than the one below it
4. If a layers of sandstone is in contact with a mass of granite that contains small pieces of the sandstone, which rock is older?
-It is not possible to determine which rock is older from this information
Answer:
During METAPHASE the chromosomes line up along the equatorial plate.
Answer:
respiration, waste production, food intake, cells, breathing
Only after an experiment has been run over and over again to
