________ bacteria contain an F factor or plasmid that is capable of initiating conjugation. ________ bacteria contain an F plasmid that possesses a portion of the bacterial chromosome
A) F+; Merozygotes
B) Merozygotes; F?
C) F?; F+
D) F?; Hfr
E) F+; Hfr
Answer: A
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A. sieve cells B. tracheids C. sieve tube members D. vessel members E. companion cells
Where in the cell would the centromere be found?
a. position where metaphase chromosomes align b. location where the mitotic spindle forms c. central region of a chromosome where the spindle microtubules attach d. location where chromosomes cluster during telophase e. center of the cell where the nucleus is found during prophase
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a. increased rainfall over oceans b. strip mining chemicals dissolved in groundwater c. acids dissolved in atmospheric water d. rising summer temperatures e. ozone destruction by acids
Vitamins A, C, and E are known as ________ because they neutralize free radicals, therefore reducing the risk of cancer
Fill in the blank(s) with correct word