A soil that is mostly ____ will tend to dry quickly compared to other soil types
a. sand
b. humus
c. clay
d. silt
e. organic matter
A
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The reactivated form of chickenpox is called ________.
A. herpes zoster B. rubella C. rubeola D. adenovirus
Which of the following is not true of vectors?
A. They contain a gene for drug resistance. B. An origin of replication (ORI) is present. C. They are easy to manipulate. D. They can detect RNA in cells. E. They must accept DNA of desired size.
Which of the following tissue types is specialized to conduct electrical signals?
A. Muscle B. Nervous C. Epithelial D. Connective E. Both nervous and epithelial tissue are correct.
Assuming independent assortment, what proportion of the offspring of the cross AaBbCcDd × AabbCCdd will have the aabbccdd genotype?
A) 1/64 B) 0% C) 1/256 D) 1/1024 E) 1/512