Cells with two of each kind of chromosome are _____
a. aneuploid
b. diploid
c. triploid
d. haploid
e. tetraploid
ANSWER: b
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The ____ tissue system forms a protective covering on the plant
a. dermal b. ground c. meristem d. organ e. vascular
Agents that can denature microbial proteins include all of the following except ________.
A. metallic ions B. acids C. alcohol D. moist heat E. X rays
A reproductive hormone that is secreted directly from a structure in the brain is _____
A) estradiol B) progesterone C) follicle-stimulating hormone (FSH) D) gonadotropin-releasing hormone (GnRH)
Photosynthetic organisms of the open oceans are confined to the upper
A. two hundred meters. B. two hundred kilometers. C. two hundred centimeters. D. two hundred millimeters. E. two thousand kilometers.