Ventricles force blood directly into the
A) capillaries. B) veins. C) arterioles. D) arteries. E) venules.
D
You might also like to view...
In the production of transgenic plants, what selectable marker is most commonly used to indicate that a cell has taken up the T DNA that includes the cloned gene?
A. Ampicillin B. Neomycin C. Streptomycin D. Kanamycin
Which of the following statements about the process of forensic DNA profiling is INCORRECT?
a) After a profile has been done, a complete DNA sequence is often used to verify the results. b) Since the tests are often run on very small biological samples, like drops of blood, PCR reactions are used to amplify the DNA before the profiling begins. c) The technique takes advantage of the fact that portions of the human genome vary greatly throughout the population. d) The results are always given in terms of the probability that two individual's DNA could give the exact same genetic profile. e) All of the above choices are correct.
During mitosis, the centromeres _____, and daughter chromosomes go into _________.
Fill in the blank(s) with the appropriate word(s).
A patient at a fertility clinic has been diagnosed with "luteal phase defect" (LPD). Her progesterone levels are low and her cycles are short. What step of reproduction are these symptoms disrupting?
A. Follicle development B. Fertilization of the egg C. Implantation D. Ovulation