Based on cladistics, which eukaryotic kingdom is polyphyletic and, therefore, unacceptable?

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#Question id: 12704

#XL - R Botany

Cytoplasmic male sterility (CMS) in plants is caused by mutation in the mitochondrial genome. CMS can be restored by a nuclear gene, restorer of fertility (Rf), which is a dominant character. 

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#Question id: 4589

#XL - S Microbiology

Darwin used the phrase "descent with modification" to explain ________.

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#Question id: 5704

#XL - R Botany

What kind of pairing configuration would be seen in prophase of meiosis I in (a) an inversion homozygous, (b) a translocation heterozygote?

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#Question id: 2205

#XL - Q Biochemistry

Amino acid entry into cells can occur via uniporters or symporters. If the rate of leucine entry into the cell increases when the pH decreases, this suggests:

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#Question id: 14828

#XL - S Microbiology

Pili are usually longer than fimbriae and number only one or two per cell. Pili are involved in motility and DNA transfer. The type of motility, called 

1. Extrusion

2. Somersaulting

3. Twitching motility 

4. Gliding motility

Which combination from the following is correct?