Hemoglobin has a greater affinity for carbon monoxide than oxygen. Which of the following would you predict to be a symptom of carbon monoxide poisoning?
A. hyperactivity
B. increased blood pH
C. decreased exhalation of oxygen
D. increased heart rate
E. decreased ATP production
E. decreased ATP production
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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?
In which one of the following locations would one expect to find cartilage?
A) between the skin and the underlying muscle B) between the vertebrae C) in a tendon D) in the wall of a blood vessel E) in adipose tissue
A cell is observed under the microscope. What feature will indicate that it is in anaphase?
A) DNA is elongated, not condensed, and difficult to visualize. B) Two separate nuclear membranes are visible. C) Sister chromatids are separating. D) Centrosomes are just beginning to separate and form the spindle.
Which of the following is TRUE about selective breeding and genetically modified organisms?
GMOs are always superior to selectively bred organisms. Vitamin A genes have been introduced into rice to make these crops resistant to pests. GMO plants are now more common in the world's food supply than wild plants. Desired traits engineered into crops must come from DNA of the same species (e.g. rice genes must always be used to genetically engineer rice). Farmers have been able to produce new varieties of crops by selective breeding alone.