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What is the oxidation state of the metal centre in each of the following complexes?(a) $\left[\mathrm{Co}(\mathrm{CO})_{4}\right]$(b) $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$(c) $\left[\mathrm{Cr}(\mathrm{CO})_{6}\right]$(d) $\left[\mathrm{Mn}(\mathrm{CO})_{5} \mathrm{Br}\right]$(e) $\left[\mathrm{Mn}(\mathrm{CO})_{3}(\mathrm{py})_{2} \mathrm{I}\right]$(f) $\left[\mathrm{Mn}(\mathrm{CO})_{6}\right]^{+}$
In what order are the metal ion and ligands identified in the name of a complex ion?
If you add together the masses of all of the particles (protons and neutrons) in a nucleus, the mass will be greater than the actual mass of the nucleus. Explain why this occurs. What happened to the "missing" mass?
Identify the four goals of the Manhattan Project.
Identify three uses of nuclear fission.
A Ca2+-binding protein that activates many enzymes, including myosin light-chain kinase, is myosin light-chain phosphatase. TnC, gelsolin, Ca2+-ATPase, and calmodulin are also examples of Ca2+-binding proteins.
1. The metabolic enzymes contain which common tertiary structure?A. Four helix bundleB. Beta barrelC. Rossmann FoldD. TIM Barrel foldE. Greek key fold
2. If the pI of your protein is 4.1, what type of chromatography would likely be the best for enriching it?A. GelB. Cation exchangeC. Anion exchangeD. Size exclusionE. None of these
3. What enzymatic procedure is useful to determine cell signaling pathways?A. ELISAB. ImmunoprecipitationC. Cryo-EMD. Mass spectrometryE. Luciferase assay
4. What is the charge on the following amino acids at pH 7?Aspartate pKa = 3.9Asparagine pKa = 12.3Glutamate pKa = 4.2Lysine pKa = 10.7
1. Classify lipids using at least four different groups with suitable examples.2. Do Minerals act as Cofactor for biological activities? Cite a few examples. Discuss the roles of Oxalic acid in minerals bioavailability. ( 3 Marks)3. Define primary, secondary, tertiary and quaternary structure of protein. Explain effect of metal ions, and temperature on secondary and tertiary structures of Protein. (4 Marks)4. What do you understand by: ( 3 Marks)A. Iodine number,B. Rancidity.5. Discuss the health issue related to the below reactions: ( 3 Marks)A. Hydrogenation of lipids.B. Oxidation of lipids.
Draw a diagram of a molecule undergoing substrate-level phosphorylation and describe the chemical processes which are taking place
IgE:a.inserts into the membrane of B lymphocytesb.inserts into the membrane of mast cellsc.activates complementd.all the above
Which of the following is true about asthma?a.IgG is involved.b.Mast cells are involved.c.Reactions take 1-2 days to occur .d.Complement is involved
Which of the following is FALSE about interferons?a.They are proteins.b.Animal interferons can work in humans.c.Some have anti-viral activityd.They are used to treat MS (multiple sclerosis)
Diphtheria toxin:a.inhibits protein synthesis in eukaryotic cellsb.prevents release of the neurotransmitter acetylcholinec.produces a red skin rashd.prevents muscle relaxatione.is a superantigen
Antimicrobial peptides are _______ humans.a.present inb.absent from
What types of intermolecularforces are present in dexamethasone?
