Answer:
Redi denied spontaneous generation.
Explanation:
Spontaneous generation leads to an antiquated body of opinion on the regular production of breathing organisms without falling from related organisms. The theory of spontaneous generation held that breathing beings could appear from nonliving interest and that such methods were common and usual.
Answer:
- Sister chromatids are not homologous chromosomes.
- Crossing over occurs between non-sister chromatids.
Explanation:
- "<em>Sister chromatids are not homologous chromosomes</em>". IT APPLIES.
- One chromatid is a chromatin strand that got thick after folding. The chromatin strand is the DNI double helix associated with histones. Before cellular division, the chromatin strand generates a copy or clon, so both of the daughter cells can get the same genetic information. These two strands keep joint together by a centromere. The chromosome is conformed by the chromatin strand and its copy, condensated and joint by the centromere. It looks X-shaped. The chromatin strand and its clon are known as sister chromatids, and they are together on the same chromosome. So one chromosome is composed of two chromatids.
- Homologous chromosomes are those that give information for the same trait, but this information is not necessarily the same. For example, both homologous chromosomes might give information for hair color trait, but one of them gives information for brown hair and the other one gives information for black hair.
2. "<em>Crossing over occurs between non-sister chromatids"</em>. IT APPLIES.
- Crossing-over occurs <u>between two homologous chromosomes</u> in the equatorial plane, that makes the daughter cells to be genetically different from the original one.
3. "Sister chromatids are found on two different homologs". IT DOES NOT APPLY.
- The chromatin strand and its clon, known as sister chromatids, are together on the same chromosome. <u>So one chromosome is composed of two chromatids. </u>
4. <em>"A chiasma forms between four molecules of double-stranded DNA on duplicated homologous chromosomes". </em>IT DOES NOT APPLY
- Chiasma is the point where two chromatids interchange genetic information making a place to new genetic material or information that will be inherited to descendants. Chiasma allows the crossing-over between <u>two homologous chromatids</u>, one of each parent.
Answer:37hrs 2512 miles
the shortest way would be I-40 west
Explanation:
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Answer:
C. Membrane-bound Nucleus
Explanation:
There are several differences between the two, but the biggest distinction between them is that eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead.
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