Which of the following most closely describes the cervix?
A. a neck-like area of the ovary
B. a region between the uterus and vagina
C. a narrowed opening from the prostate gland
D. an opening from the vagina to the outside
B. a region between the uterus and vagina
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Using fetal DNA from the mother's blood for prenatal testing is a noninvasive procedure
a. True b. False Indicate whether the statement is true or false
Carbohydrates contain all the following elements except:
a. carbon. b. nitrogen. c. hydrogen. d. oxygen.
If adaptation occurred, genotypes remaining at the end of the experiment should have had more rigid enzymes than their ancestors had.
a. true b. false
Serratia marcescens can be identified by its distinctive blue-green pigment pyocyanin
Indicate whether the statement is true or false