A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which only water can pass. They inject a 5 M solution of glucose into the cell and then place the cell into a beaker of water. After an hour, what effect do you expect to observe?
A. water moves out of the cell
B. glucose moves out of the cell
C. glucose moves into the cell
D. water moves into the cell
E. no net change in cell weight
Answer: D
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Acromegaly is the result of excessive secretion of which of the following by adults?
a. mineralocorticoid b. glucocorticoid c. thyroxine d. testosterone e. GH
The concept of nuclear equivalence states that:a
all of the somatic cells in an adult organism have the same genes. b. the genes of the individuals of the same species are exactly the same. c. as cells mature, unneeded genes are lost. d. the nuclei of all organisms are the same. e. nuclei of individuals of the same species are the same size.
Biofilms consist of several different organisms working in complex relationships. These organisms communicate with each other using what sort of chemicals?
A. Streamers B. Plaque molecules C. Water channels D. Quorum sensing molecules
Carbonic anhydrase and carbaminohemoglobin are similar in that they are both enzymes involved in respiration.
Answer the following statement true (T) or false (F)