By adding SDS (sodium dodecyl sulfate) during the electrophoresis of proteins, it is possible to:
A) determine a protein's isoelectric point.
B) determine an enzyme's specific activity.
C) determine the amino acid composition of the protein.
D) preserve a protein's native structure and biological activity.
E) separate proteins exclusively on the basis of molecular weight
Answer: E) separate proteins exclusively on the basis of molecular weight
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Which of the following is NOT a member of the Eukarya?
A) protists B) fungi C) viruses D) red algae
The part of the Drosophila zygote with high bicoid concentration will
A. become the anterior region of the embryo B. become the region of the embryo that has a spiracle C. become the tail region of the embryo D. become the segment that will have wings E. become the segments that will have legs
Which structure carries sperm into the prostate gland?
a. urethra b. vas deferens c. ejaculatory duct d. testes e. scrotum
What is the difference between cytokinesis and karyokinesis? Which process needs to be more precise for accurate cell division?
What will be an ideal response?