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1. Shared derived characters are ___.Choose one answer. a. those thatcharacterize all the species on a branch of a phylogenetictree b. homologousstructures that develop during adaptive radiation c. charactersfound in the outgroup but not in the species to beclassified d. used toidentify species but not higher taxa
2. A taxon such as the class Reptilia, which doesnot include its relatives, the birds, is ___.Choose one answer. a. really anorder b. aclade c.monophyletic d.paraphyletic
In quest to produce a perfect rose, you have crossed two related species, a rose that has extra large booms and a cold resistant rose. you have been successful producing a rose buch that survives cold temps and continuous blooming.
The enzyme Bromelin is a cysteine protease from pineapple that utilizes a similar mechanism to serine proteases except the serine is replaced by a cysteine. Draw the mechanism of peptide hydrolysis by Bromelin.
A set of monohybrid crosses is like those done by Mendel. Three-fourths of the F2 plants have purple-flowers and the rest have white-flowers. If a purple plant is picked at random and selfed, what is the probability that only purple-flowered plant..
Describe what would be the specific probable effects on the cell if each of these organelles were lost. Try to avoid picking the same pair as other students in your class.
Mineral, are trace elements, and vitamins, are growth factors, are required in small amounts for many microbes.
Insulin assumes what protein structure?
what are the major limitations to resolution in a light microscope? and how does usingoil increase resolution? Describe how the myelin sheath is formed in the PNS. How are the nodes of Ranvier formed? What is the relationshipbetween the myelin sheath..
What is the probability that a daughter will be a carrier? Be prepared to draw a Punnet square on the board.
Sometimes, we see an ELISA plate in which every well turnsyellow upon the addition of substrate. Can you think of onetype of error that would result in this finding? What do youpredict would happen if the substrate were added in acid solution?
Consider the following segment of double-stranded DNA, which is part of a much longer molecule constituting a chromosome. This sequence is located ~2000bp to the left of its origin of replication.
Trace the path of a red blood cell through the heart beginning and ending at the vena cava. Include in your journey a description of each heart valve, heart chamber.
Determine the sequence of genes along a chromosome based on the following recombination frequencies: A-B = 8 cM; A-C = 28 cM; A-D = 25 cM; B-C = 20cM; B-D = 33 cM
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