Which of the following areas is not known to contain stem cells?
A) the umbilical cord B) bone marrow C) the skin D) muscle
Answer: D
Biology & Microbiology
You might also like to view...
Andro has all of the following effects on males,
EXCEPT _____? a. increased hair loss b. shrunken testicles c. breast enlargement d. increased risk of heart attack e. proven enhancement of athletic performance
Biology & Microbiology
A testcross is a mating between an organism of unknown genotype and a homozygous recessive individual.
a. true b. false
Biology & Microbiology
Which organelle increases in size, causing plant cells to elongate?
a. chloroplast b. mitochondrion c. nucleus d. ribosome e. vacuole
Biology & Microbiology
Taking a laxative might have an impact on the survival and reproduction of which of the following
organisms? A. planarians B. cestodes C. trematodes D. nemerteans E. intestinal flukes
Biology & Microbiology