The umbilical cord functions to
a. carry waste products in the blood from the fetus to the mother.
b. carry waste products in the blood from the mother to the fetus.
c. carry oxygen in the blood from the mother to the fetus.
d. do both a and c.
b
You might also like to view...
Which of the following is NOT a product of the light reaction?
A. NADPH B. ATP C. oxygen D. carbon dioxide E. energy intermediates
C. gel electrophoresis A small amount of DNA is collected from a crime scene. However, the amount of DNA collected is insufficient to perform the necessary experiments to link a suspect to the crime. What method could be utilized to increase the amount of DNA?
A. Southern blotting B. gel electrophoresis C. polymerase chain reaction (PCR) D. colony hybridization E. DNA sequencing
Which of the following is/are obligate intracellular parasites?
A. Chlamydia and Rickettsia B. E. coli and Pseudomonas C. Mycoplasma D. Treponema pallidum
Polychaetes are the only annelids that possess
a. chaetae. b. clitellum. c. parapodia. d. ganglia. e. fluid-filled coelomic chambers.