Where in the human body can you find T cells?
A. Bone marrow D. Spleen
B. Blood E. All of these
C. Thymus glands
E
You might also like to view...
Where does mRNA/tRNA codon-anticodon recognition take place?
A. 30S B. 40S C. 50S D. The surface between the two ribosomal subunits
A student is designing an experiment to show the effects of the movement of water across a selectively permeable membrane. He places a highly concentrated saltwater solution into a bag that is permeable only to water
He then submerges the bag into a beaker of pure water. Which one of the following can be expected? A) The net flow of water will be from the bag to the surrounding water. B) The pH of the contents of the bag will increase over time. C) The volume of the bag will decrease over time. D) The net flow of water will be from the beaker into the bag, causing the contents of the bag to increase in volume. E) In this situation, the flow of water into the bag will never equal the flow of water out of the bag.
The diffusion of water across a selectively permeable membrane
What will be an ideal response?
What is NOT true regarding the use of yeast artificial chromosomes (YACs) for cloning?
a. They are circular vectors. b. Large fragments of DNA can be inserted into them. c. They have features to allow them to replicate and segregate like normal eukaryotic chromosomes. d. They contain a gene for selection.