Biology, 28.01.2020 03:31 hoytkeke6776
Pioneering work in the field of genetics began prior to the 20th century. however, much of the early work relied only upon simple observation
select the genetics concepts below that were discovered before the year 1900
a. preservation of beneficial traits
b. the location of genes on chromosomes
c. calculation of mendelian inheritance
d. the molecular structure of dna
Answers: 3
Biology, 21.06.2019 20:00
With the description of the different cell walls, membranes, and associated proteins set in the students' minds, you now need to introduce them to the idea that the cell wall can also act as a foundation to build things upon. bacterial appendages require a strong foundation that will offer the support needed to move and function in a dynamic world. for example, flagella are long, whiplike protein structures that are used by many gram-positive and gram-negative bacteria for locomotion. in order to function effectively, a flagellum must be firmly anchored to the cell wall. how will you be able to get across the idea that the peptidoglycan cell wall is strong enough to support such a mechanism? with a protein rod that passes through the cell wall and protein rings used to anchor it in the membranes, these basal bodies are the rudimentary biological motors that use atp power to spin the hook and the flagella attached to it. bacterial flagella have a biological motor that spins within the cell wall and is powered by atp. this allows the flagella to spin in a whiplike motion to propel the bacterium.
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Biology, 22.06.2019 06:00
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Biology, 22.06.2019 08:50
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Biology, 22.06.2019 09:30
What type of plant is good for a bioassay and where can i buy it? i only have a month.
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Pioneering work in the field of genetics began prior to the 20th century. however, much of the early...
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