BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
9th Edition
ISBN: 9781319425746
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 26, Problem 34P
Interpretation Introduction
Interpretation:
The reason for vitamin D is not an actual steroid should be determined.
Concept introduction: The steroid can be defined as a
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Draw a tripeptide of your choosing at pH 7. Have the N-terminus on the left and the C-terminus on the right. Then:
Draw a triangle around the α-carbons.
Draw a box around the R-groups.
Circle the atoms capable of hydrogen bonding.
Highlight the atoms involved in the formation of the peptide bonds.
What type of structure have you drawn? (primary, secondary, tertiary or quaternary protein structure).
2. For the flow of fluid over a flat membrane of length 10cm,
determine the length-average mass transfer coefficient. The
relevant properties of the system are u=0.01cm²/s, D=5 x 106
cm²/s, and v = 5.0 cm/s.
Background
Freezing isn't the only challenge in cryopreservation - thawing can
be just as difficult. A microwave oven seems like a nice solution,
since it deposits energy quickly and microwaves are non-ionizing
radiation (they do not cause DNA mutation). However, water
absorbs microwaves more effectively than ice does, meaning that
the portion of an organ that has already melted will get warmer at a
higher rate than the remaining ice – the opposite of what we want!
-
The transmission of radiation through a weakly absorbing material
such as ice or water can be modeled by Beer's law, which assumes
that the rate of absorption at a depth x is proportional to the local
radiation intensity I(x) times an absorption coefficient, which is often
written as μ or a or just µ). Noting that absorption decreases the
intensity, we can write a differential equation
a
Solving the differential equation with the boundary condition on the
surface being
gives the relationship
For a standard microwave oven…
Chapter 26 Solutions
BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
Ch. 26 - Prob. 1PCh. 26 - Prob. 2PCh. 26 - Prob. 3PCh. 26 - Prob. 4PCh. 26 - Prob. 5PCh. 26 - Prob. 6PCh. 26 - Prob. 7PCh. 26 - Prob. 8PCh. 26 - Prob. 9PCh. 26 - Prob. 10P
Ch. 26 - Prob. 11PCh. 26 - Prob. 12PCh. 26 - Prob. 13PCh. 26 - Prob. 14PCh. 26 - Prob. 15PCh. 26 - Prob. 16PCh. 26 - Prob. 17PCh. 26 - Prob. 18PCh. 26 - Prob. 19PCh. 26 - Prob. 20PCh. 26 - Prob. 21PCh. 26 - Prob. 22PCh. 26 - Prob. 23PCh. 26 - Prob. 24PCh. 26 - Prob. 25PCh. 26 - Prob. 26PCh. 26 - Prob. 27PCh. 26 - Prob. 28PCh. 26 - Prob. 29PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - Prob. 32PCh. 26 - Prob. 33PCh. 26 - Prob. 34PCh. 26 - Prob. 35PCh. 26 - Prob. 36PCh. 26 - Prob. 37PCh. 26 - Prob. 38PCh. 26 - Prob. 39PCh. 26 - Prob. 40PCh. 26 - Prob. 41PCh. 26 - Prob. 42PCh. 26 - Prob. 43PCh. 26 - Prob. 44PCh. 26 - Prob. 45PCh. 26 - Prob. 46PCh. 26 - Prob. 47P
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- An enzyme lowers the activation energy, (AG) of a reaction from 50.0 kcal/mol to 40.0 kcal/mol. Calulate the catalytic power at 310K. (R-1.987x10 kcal/mol)arrow_forwardDraw a typical axodendritic synapse, including a specific neurotransmitter of your choice, its associated postsynaptic receptors (indicating whether they are ionotropic or metabotropic), and any associated reuptake transporters or degradation enzymes. Please include a description of what specific steps would occur as an action potential reaches the axonal terminal.arrow_forwardGive a full arrow pushing mechanism of the spontaneous redox reaction between NAD+/NADH and oxaloacetate/malate. Please include diagram drawing of the mechanism! (Thank You!)arrow_forward
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