Written by Irene Chang  A) Draw the approximate Maxwell-Boltzmann distributions for F2 and Ra interposed on the same graph. Have average velocity on the X-axis and # of particles on the Y-axis. B) Draw the distribution for only Ra now, but include one schedule of Ra at a low temperature and another schedule of Ra...

Written by Merel Dagher (PEACE Advisor)  Match the fungal type with the correct description. a.     Chytridiomycota: flagellated spores b.     Zygomycota: fruiting body containing basidia that produce sexual spores c.     Glomeromycota: sexual spores borne internally in sacs called asci d.     Ascomycota: resistant zygosporangium as sexual stage e.     Basidiomycota: form arbuscular mycorrhizae with plantsClick “Read More”...

Written by Merel Dagher (PEACE Advisor) Select all that apply regarding the correct definition of the isoelectric point of peptides (More than one may be correct):   a.     At the pI, the net charge of the molecule is zero b.     At pI, the the carboxy group is deprotonated and the amino group is protonated....

Written by Merel Dagher (PEACE Advisor) Which of the following is the basal member of Archaeplastida? a.     Glaucophytes b.     Red Algae c.     Chlorophytes d.     “Charophytes” e.     Land PlantsClick “Read More” to see the answer.  The correct answer is a. Both Chlorophytes and “Charophytes” belong to the informal group Green Algae. “Charophytes” are semi-terrestrial, making...

Written by Merel Dagher (PEACE Advisor)  How might we isolate cytosolic proteins from tissues, in order to purify them? a.     centrifuge the tissue at low speed; the protein is in the pellet b.     centrifuge the tissue at medium speed; the protein is in the pellet c.     centrifuge the tissue at high speed; the protein...

Written by Merel Dagher (PEACE Advisor)  Compare and contract the lifecycle of Brown Algae (a Chromalveolata) and Ulva (a type of “green algae”): a.     Only brown algae have a haplodiplontic life cycle b.     Both have a haplontic life cycle c.     Ulva has isomorphic gametophytes and sporophytes d.     Brown algae have isomorphic gametophytes and sporophytes e.     Ulva...

Written by Merel Dagher (PEACE Advisor)  After we get our desired proteins, how can we test to see if the protein we want to purify is in the sample of proteins? (More than one answer choice may be correct)  a.     perform a colorimetric assay b.     perform a radiochemical assay c.     perform an immunological assay...

Written by Merel Dagher (PEACE Advisor)  Which of the following belong to the kingdom Chromalveolata? Select all that apply. a.     Dinoflagellates b.     Oomycetes c.     Ciliates d.     Diatoms e.     Brown Algae f.      All of the above.  The correct answer is F. All of the following belong to the Chromalveolata kingdom. Dinoflagellates (responsible for...

Written by Merel Dagher (PEACE Advisor)  Determine the sequence of this hexapeptide: L, K, G, M, S, P. Follow the sequence of clues mentioned below to determine the sequence.  a.     First, I use Sanger Sequencing to get a change from FDNB to P-DNB b.     Second, I cleaved with Trypsin to get a dipeptide of...

Written by Merel Dagher (PEACE Advisor)  How can bacteria transfer genes across members of their generation? a.     Transformation b.     Transduction c.     Conjugation d.     All of the above e.     Only b and c Click “Read More” to see the answer.  The correct answer is d. Transformation is the transfer of genes through the environment; transduction...