You feed your cat canned cat food, but whenever you open a can, whether it is soup, tomato paste, or fruit, your cat runs to her food bowl. Your cat is exhibiting
A. instinctive behavior.
B. insight learning.
C. imprinting.
D. conditioning.
D. conditioning.
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On land, ____ , which are broad, ecologically uniform areas, are recognized by their characteristic vegetation, which reflects adaptation of form and physiology to climate
Fill in the blank with the appropriate word.
At the current rate of description, how long will it take to compile a complete catalog of life on Earth?
a. 5 years b. 50 years c. 500 years d. 5000 years
You have evidence that a gene, VTE4, of known sequence and well-understood transcriptional regulation, is available from another lab
The product of this gene enables seeds to produce a significantly increased amount of vitamin E from a substrate already produced in Brassica napus, the plant that gives us canola oil. To produce canola oil with increased vitamin E, how would you proceed? A) Select Brassica plants with the highest titer of the vitamin, isolate the genes responsible, and cause these genes to duplicate. B) Use a yeast system to engineer yeasts that produce the vitamin, and get manufacturers to add this to the canola oil during bottling. C) Introduce the gene and necessary cis elements into Brassica, along with a reporter gene, then measure the vitamin E produced. D) Clone VTE4 in A. tumefaciens and use these bacteria to produce transgenic Brassica. E) Introduce VTE4 into tomato plants or another food that humans eat more than Brassica.
The sex chromosome in humans that make an individual a male are __________.
A. a and b B. X and X C. A and B D. X and Y