Which of the following hormones is produced in the ovaries?
a) estrogen
b) vasopressin
c) prolactin
d) oxytocine
Ans: a) estrogen
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The chemical reactions of photosynthesis occur in which cellular organelle?
A. Mitochondria B. Chloroplasts C. Ribosomes D. Nucleus
Evidence of crossing over can often be seen under the light microscope as a structure called a _______.
A. kinetochore B. centromere C. chiasma D. centriole
A child starts out with cold like symptoms. It moves to a ‘barking’ cough. How can you tell which disease this might be?
A. Cold and barking cough says “pertussis” B. Cold and barking cough says “Hib” C. Wait to see how bad the coughing might get D. Check the back of their throat for inflammation and airway constriction
Which of the following is incorrect about gills?
A. In fish, they are protected by an operculum. B. Terrestrial arthropods also have gills. C. Fish pump water over the gills. D. In echinoderms, the gill is a thin sheet of tissue that waves through the water.