Each hemoglobin molecule carries ______ oxygen molecules.
A. 1
B. 2
C. 3
D. 4
You might also like to view...
Living things show a wide range of diversity where reproductive strategies are concerned. The branch of evolution devoted to the analysis of this diversity is known as ________ analysis
Fill in the blank(s) with correct word
If all offspring of a cross have the genotype Aa, the parent of the cross would most likely be
Scientists can induce, or cause, mutations in DNA in a laboratory setting. What evidence would best support a scientist's claim that a certain mutation induced in a lab would have no phenotypic effect if it occurred in an actual organism?
A) The mutation affects an entire chromosome. B) The mutation is an insertion mutation. C) The mutation is in a gene that codes for an essential protein. D) The mutation does not change the protein generated by this gene
Consider that a species of salmon lays 20,000 eggs per pair when it spawns and dies. At the end of five years, an average of one pair of mature salmon from this group of hatched eggs returns again to spawn in the parent stream (19,998 have not survived). What is the growth rate of this population?
A. 20,000 - because there were that many eggs produced per parent fish (r2) B. 10,000 - because there were that many eggs produced per parent fish (r) C. None - because there is exact replacement of the previous generation D. 2,000 - because this must be divided by five years E. 2,000 - because there was this much average die-off per year