The systemic circulation of blood flow begins when blood enters the ____
a. right atrium
b. right ventricle
c. left atrium
d. left ventricle
e. lungs
ANSWER: c
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Which of the following hormones stimulates uterine contractions during the birth process in mammals?
A. oxytocin B. vasopressin C. adrenocorticotropin D. gonadotropin E. urocortin
Once the strands of DNA are separated, the enzyme DNA polymerase ____ and links nucleotides together
a. reads the nucleotide sequence of the template strand b. transforms the template strand to either 3' or 5' c. transforms adenine to thymine and guanine to cytosine d. folds the bases back on themselves e. unwraps the DNA from the nucleosomes
According to the theory of evolution, those best adapted to the environment will _____
a. survive and reproduce b. not survive c. produce offspring that are genetically identical to the parents d. have lower fertility rates e. have fewer offspring on average
A physician finds that one of his patients has the following problems: Blood clots very slowly or not at all, and severe bruises result from even the most minor bumps
Which one of the following conditions would likely be diagnosed based on this information? A) polycythemia B) hemophilia C) AIDS D) anemia E) mononucleosis