What is unique about embryonic stem cells?
A. They are the smallest human cells
B. They are haploid.
C. They can produce their own placenta.
D. They can produce all the types of cells that make up a human.
E. They are protected by law
Ans: D. They can produce all the types of cells that make up a human.
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Which zone experiences the most abiotic change over a 24-hour period?
A) A B) B C) C D) D E) E
Using the allele frequencies in the table below, what is the probability that a random person would be heterozygous 12/14 for VAW?
What will be an ideal response?
A mother brings a child into the ER with a severe nosebleed that won't stop bleeding. She also tells the doctors that the child bruises very easily in response to very minor accidents
Given the information in the text, the doctor orders some tests and finds that the young boy has ________. A) anemia B) hemophilia C) embolus D) leukemia
Which subphylum includes the sea squirts?
a. Cephalochordata b. Urochordata c. Petromyzontoidea d. Placodermi