Transgenic crops are planted in _____ countries, with the amount of land dedicated to such crops _____ every year
a. more than 50; remaining the same
b. more than 25; decreasing
c. less than10; increasing
d. more than 25; increasing
e. just under 25; increasing
d
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What cellular component of a sensory neuron would account for its specialization in response to physical or chemical cues?
A. the phospholipid composition of its plasma membrane B. the shape of the neuron C. the proteins present in its cytosol or on its plasma membrane D. both the shape of the cell and the proteins in its cytosol or membrane
Answer the following statements true (T) or false (F)
1. Lichens are monophyletic. 2. In a lichen, the fungus and the symbiotic algae are highly coevolved. 3. Many kinds of ascomycetes and basidiomycetes have lost the ability to reproduce sexually. 4. Some chytrids parasitize protists. 5. Some yeasts have "stripped-down" genomes as small as 200 protein-coding genes.
A student sitting in the back row opened a bottle of foul-smelling perfume and dabbed it on her wrists. One by one (beginning from the back of the room) the students began to cough due to the foul smell. This phenomena was due to
A. an allergic reaction. B. osmosis. C. molecules moving from an area of low concentration to high concentration. D. diffusion. E. active transport.
Sometimes, splitting of the pre-embryo is incomplete during the development of twins, and ________ twins result
Fill in the blank(s) with correct word