What does bright red blood indicate?
A) that oxygen is no longer bound to hemoglobin
B) that copper is bound to hemoglobin
C) that oxygen is bound to hemoglobin
D) that carbon monoxide is bound to hemoglobin
C
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Which of the following organisms has the largest number of protein-coding genes?
a. E. coli (bacteria) b. Saccharomyces cerevisiae (yeast) c. Homo sapiens (human) d. Oryza sativa (rice) e. Drosophila melanogaster (fruit fly)
Each gamete gets only one copy of an allele because it has ____
a. one copy of each chromosome b. one nucleus c. one chromosome d. a diploid number of chromosomes e. either an X or a Y
A scientist conducts experiments to test a(n) (observation/hypothesis/theory)
What will be an ideal response?
Abrupt genetic changes that quickly lead to the reproductive isolation of a group of individuals will likely lead to
____.
a. sympatric speciation b. allopatric speciation c. secondary contact d. species fusion e. geographic separation