What's your definition of bioengineering/biomedical engineering? Use your own
words to describe it. - Bioengineering is an interdisciplinary profession that incorporates
several branches
of the natural sciences such as: Biology, chemistry and physics and provides
knowledge through the engineering lens.
List 5 biomedical engineering products that were not discussed in class. - 1.)3D printed
organs
2.)Surgical Robots
3.)portable prototype Ka-band microwave systems
4.)Regenerative medicine
5.)Telehealth
If hydrogen bonds are much weaker than covalent bonds, why do you think they are
used to hold biomolecules together? - Primarily, the reason why hydrogen bonds are
used to hold biomolecules together is
because they are extremely strong when they are linked together. One of the
materials that exemplifies this quality of hydrogen bonds is found in spider silk, which
is composed from proteins that are hold together by these hydrogen bonds that gives
it that high tensile strength.
What is the structure of a nucleic acid? - phosphate
pentose
organic base
What is the structure a carbohydrate? - CH2OH, Ch2OH
OH
OH,HO,
What is the structure a protein? -
What is the structure of a lipid? - A.) a glycerol head and 3 legs
B.) Phospholipid
(polar)} Hydrophilic Head
|
,(p)
|
(Glycerol)}Hydrophobic Head
legs
(1) A phosphate buffer system H2PO4- ⇌ HPO42- + H+ has the pH of 6.3. In this
system, which molecule is the acid? (5 points) - HPO42- is the base because it is
gaining a proton, therefore H2PO4- is the acid.
If the equilibrium constant for the acid dissociation is KA and pKA (-log Ka) =7.0,
what is the ratio of [HPO42-] to [H2PO4−] in this buffer system? Please show your
calculation. - 0.2
The amino acid sequence of protein is its - Primary Structure
If a polypeptide contains 100 peptide bonds, how many amino acids does it contain -
101
Enzymes work by - Lowering the activation energy
The following methods EXCEPT one are used to analyze protein's 3D structure. What is
the exception? - Scanning electron microscopy
The cellular organelle responsible for protein synthesis is - Rough endoplasmic
reticulum
Which following statement regarding prokaryotic and eukaryotic cells is correct? - They
both have cell membranes
Which following statement regarding cytoskeleton is NOT correct? - It is not involved in
transporting materials intracellularly.
Which one of the following molecule is NOT part of extracellular matrix? - Phospholipids
Protein's function include the following except - Storage of genetic information
The factors that affect rates simple diffusion across a cell membrane include -
Molecule's concentration gradient
Molecule's size
Molecule's lipid solubility
Membrane surface area
What methods of molecule transport across cell membrane requires energy? - Active
transport
Phagocytosis
, The most significant difference between autocrine and paracrine is - The cell that
responds to it.
Which following statement regarding ligands is correct? - All the above
Lipophilic hormones - Bind to receptors inside the cytoplasm or nucleus.
Neuron cell depolarization is caused by - Voltage-gated Na+ channel opening, Na+
flowing into the cell.
The partial pressure of oxygen in arterial blood is approximately mmHg. - 75
Most of the oxygen is transported in blood through . - Bound to hemoglobin
Which of the following would have the greatest effect on the resistance of the blood
flow? - Doubling the diameter of a vessel
A typical action potential of a heart contractile cell lasts milliseconds. - At least 200
The process of filtration in the kidney is most accurately described as - Relatively
nonspecific
All the following will normally be found in the renal filtrate EXCEPT . - White blood cells
What is the glomerular filtrate rate (GFR) of the kidney? - The Glomerular filtrate rate or
(GFR) is the rate of flow of filtrate in the glomerulus, the cluster of blood vessels in the
tip of the kidney were waste products are filtered, that is dependent on the gradient of
hydrostatic and oncotic pressures.
What Is Biomedical Engineering - Biological or medical application of engineering
principles or engineering equipment.
•Engineering applied to human health.
•Application of science, mathematics, and engineering principles to improve human
heath.
What definition for Biomedical Engineering the definition is considered the best. -
Application of science, mathematics, and engineering principles to improve human
heath.
what are some Bioengineering Subdisciplines? - •Physiological Modeling
•Biomechanics
•Biomedical Instrumentation and Sensors
•Biomedical Imaging
•Biomolecular engineering and Biotechnology
•Artificial Organs
•System Biology and Bioinformatics
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