After a period of exercise, a person will breathe heavily for some time after the activity has ceased. What is happening during this time as the oxygen debt is being paid?
A) Lactic acid is being removed. B) Glycogen stores are being regenerated.
C) Creatine phosphate is being regenerated. D) All of the above are true.
Answer: D
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One strand of DNA has the sequence 5? GGTCTA 3?. What is the sequence of the other strand?
A) 5? CCAGAT 3? B) 5? ATCTGG 3? C) 3? GGTCTA 5? D) 5? TAGACC 3?
Ciliates
A.move by pseudopods B. are not as varied as other protists C. have a gullet for food gathering D. do not divide by binary fusion E. are closely related to the radiolarians
Chromosomes are usually studied and photographed while they are in anaphase of mitosis
a. True b. False
Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aabb, 52 aaBb, 94 aabb. These results are consistent with which of the following?
A) linkage with 50% crossing over B) 100% recombination C) independent assortment D) sex-linked inheritance with 30% crossing over E) linkage with approximately 33 map units between the two gene loci