Biology, 13.12.2019 18:31 parminder44
In a cladogram, clades are groups of related organisms. in the past, phylogeneticists built clades using the idea of parsimony, that the pattern that uses the fewest evolutionary changes is the most likely to be correct. today, with the use of computers and dna sequences, the explanation that is thought to be the best is
select one:
a. one that shows the most changes in nucleotide sequences.
b. one that eliminates any similar dna sequences.
c. one that shows the dna unique to that species.
d. one that shows the fewest changes in the nucleotide sequences.
e. still one that uses the same system of parsimony.
Answers: 2
Biology, 21.06.2019 15:40
Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )
Answers: 2
Biology, 22.06.2019 05:00
The chemical form of energy that is useable by the cell to do work
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Biology, 22.06.2019 13:00
This is a biological reaction due to a stimulus. i need this quickly !
Answers: 1
Biology, 22.06.2019 13:20
Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing
Answers: 1
In a cladogram, clades are groups of related organisms. in the past, phylogeneticists built clades u...
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