A decapeptide was analyzed and the following information obtained. Determine the primary structure of the peptide. Edman's Degradation: PTH-Val
Carboxypeptidase A: no reaction
Trypsin produces 2 peptides of the following composition:
1. Ala, Lys, Val
2. Arg, Gly, Met, Phe (2), Pro, Ser
Chymotrypsin produces 2 peptides of the following composition:
1. Ala, Gly, Lys, Phe (2), Pro, Ser, Val
2. Arg, Met
Elastase produces 2 amino acids and 3 peptides
1. Arg, Phe, Met
2. Lys, Ser
3. Gly, Phe, Pro
4. Val
5. Ala

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.

1) a

2)c

3)a

4)c

5)b

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