1-DNA contains the sugar deoxyribose, while RNA contains the sugar ribose.
2-DNA is a double-stranded molecule, while RNA is a single-stranded molecule.
3-DNA is stable under alkaline conditions, while RNA is not stable.
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Yes, it is a living organism that is part of the photosynthesis cycle and carbon cycle.
B, as far as we know humans aren't from space
Answer:
Blastocyst is an early embryonic stage in mammals otherwise it is a blastula which is followed by development of gastrula. Blastocyst is a hollow ball like structure that develops by repeated cell division from zygote . It is superficially covered by a layer of cells collectively termed trophoblast.
Explanation:
The answer is false. Spontaneous generation is a hypothetical process in where the living organisms would also develop from nonliving matter thus Redi and Pasteur believe that spontaneous generation of living thing is wrong since living things should come from living things only.
