b) A population first divided into two parts, then three parts, and then four parts, until a description identifies a single member.
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Answer:
DNA is negatively charged
Explanation:
<u>Electrophoresis:</u> In biology, the term "electrophoresis" is described as one of the different laboratory technique that is being utilized to separate protein molecules, DNA, and RNA one the basis of their electrical charge and size. Therefore, a specific amount of "electric current" is being used to move different molecules that are required to be separated through a "gel". The given gel contains pores that generally works like a "sieve" and thus allows every small molecule to proceed faster as compared to the larger molecules.
<u>DNA</u> stands for<u> "deoxyribonucleic acid"</u> is determined as a long molecule that ought to contain an individual's unique "genetic code" and generally carried information associated for making proteins in an individual's body.
<u>In the question above, the correct answer is "DNA is negatively charged".</u>
The answer to this question is b
Ribosome- Both animal cells and plant cells
Endoplasmic Reticulum -Both animal cells and plant cells
Golgi Apparatus- Both animal cells and plant cells
Cell wall- Plant cells only
Vacuoles-Both animal and plant cells
Lysosomes- Both animal and plant cells
Mitochondria- Both animals and plant cells
Cell Membrane- Both animals and plant cells
Cytoplasm-Both animal and plant cells
Chloroplasts-Plant cells only
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<span>T he type of selection that favored progressively larger brain size in human evolution is
</span>directional selection. Directional selection is a type of natural selection (besides stabilizing selection, disruptive selection, kin selection,..)<span> in which an extreme phenotype is favored over other phenotypes. Because progressively larger brain size is an extreme phenotype this is a directional selection.</span>
