If someone discovered a new compound that stops metamorphosis at the larval stage, what would be the benefits and drawbacks of this pesticide for humans?
What will be an ideal response?
On the positive side, the organisms would not finish maturing and so could not reproduce, which would mean fewer insects. On the negative side, the larval stage is the "hungry stage," so the organisms would stay in the larval state and eat vast quantities, potentially destroying crops.
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The ________ and ________ domains of the class II MHC protein interact to form a peptide-binding site
A) B / T B) light / heavy C) C / V D) ?1 / ?1
What happens when a ligand binds to a ligand-gated sodium channel?
A. Sodium ions flow passively from high concentration to low concentration. B. Sodium ions are pumped from low concentration to high concentration. C. Sodium ions flow passively from low concentration to high concentration. D. There is no net flow of sodium ions.
Which component of the nervous system is divided into the somatic and autonomic divisions?
A) sensory B) peripheral C) motor D) central E) parasympathetic
A developer plans to chop down several healthy trees on her property, burn them, and put a huge concrete pad in their place. Why are these activities environmentally unwise?
What will be an ideal response?