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4 years ago

How would the formation of bacterial colonies be affected if bacterial cells did not contain pili?

2 answers:

5 0

If a bacterial cell do not contain pili, it would not affect the formation of bacterial colonies. If bacterial cells, do not contain any pili, the foundation or formation of any bacterial colonies within the host or a living organism will not be affected. A Pili is used to attach bacterial cells to surfaces or other living cells.

Stella [2.4K]4 years ago

3 0

Answer:

Pili is the protein structure formed outside the cell wall of bacteria. The main function of pili is the bacterial cell attachment. It facilitate bacteria to attach at a substrate to derive nourishment. Also, helps in sexual reproduction in bacteria by forming the sex pili between two bacterial cells and allows the exchange of genes between these cells. Bacterial colonies can form on aquatic as well as in terrestrial habitat. Bacteria to hold the substrate properly pili is required. There are chances that bacterial colonies wash away from their substrate or get removed because of external environmental consequences. Therefore, absence of pili will affect colony formation.

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3 years ago

Three linked autosomal loci were studied in cucumbers: fruit color (dark vs. light), tendril size (long vs. reduced) and fruitin

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Explanation:

1. Progeny observed in the experiment is calculated by adding all the progeny numbers observed in the :

TIME TO FRUIT TENDRIL SIZE FRUIT COLOR NUMBER

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early normal dark 28

early reduced dark 25

early reduced light 483

normal reduced light 36

normal reduced dark 810

TOTAL

PROGENCY 2755

2. The locus in the center is TIME TO FRUIT. Tendril size is at the beginning of the locus and the distance between the locus B and locus C is R2

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3 years ago