Which of the following is NOT a reasonable fear of genetically modified foods?
a) Organisms that we want to kill may become invincible.
b) Eating genetically modified foods could be dangerous.
c) The loss of genetic diversity among crop plants is risky.
d) Organisms that we don't want to kill, like the monarch butterfly, may be killed inadvertently.
e) All of the above are reasonable fears of genetically modified foods.
Ans: e) All of the above are reasonable fears of genetically modified foods.
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A hummingbird is attracted to the red, tubular flowers of a trumpet vine. It drinks nectar from the flower and, in doing so, collects pollen that it transfers to the next flower
In this form of communication, who is the sender, who is the receiver, and what information is being transferred? A. The hummingbird is the sender, the flower is the receiver, and the availability of pollen is the information. B. The hummingbird is the sender, the flower is the receiver, and the availability of the hummingbird to transfer pollen is the information. C. The flower is the sender, the hummingbird is the receiver, and the availability of nectar is the information. D. The flower is the sender, the hummingbird is the receiver, and the need of the flower to have its pollen transferred is the information. E. The flower is the sender, the pollen is the receiver, and the presence of the hummingbird is the information.
The __________ that facilitates cytokinesis in animal cells cannot work with plant cells because a stiff cell wall
surrounds their __________. Fill in the blank(s) with the appropriate word(s).
What waste product do yeast produce under anaerobic conditions?
A) ethyl alcohol B) pyruvic acid C) lactic acid D) creatine
Adherens junctions are linked to cytoplasmic
a. actin filaments. b. intermediate filaments. c. microtubules. d. myosin filaments.