A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with proteins into a membrane-bound structure called a
A. nucleolus.
B. nucleus.
C. cell.
D. plasma membrane.
Answer: B
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Untreated gonorrhea or untreated Chlamydia infections may result in sterility
Indicate whether the statement is true or false
Where does the male gametophyte form in flowering plants?
a. in a stamen b. in a carpel c. in a receptacle d. in a calyx
On October 29, Barbara volunteered for a study group for her microbiology class. On October 30, she felt fine. On November 1, Barbara developed a "scratchy throat" when she swallowed. On November 2, Barbara had a headache, runny nose, and watery eyes. She was fully recovered on November 7. During which time was Barbara in the prodromal period?
A) October 30 B) November 1 C) November 2 D) November 7
You have been asked to construct a physical map of the baboon genome. What would be helpful in this task?
A. gene linkage data B. microarrays and SAGE C. BLAST and ENCODE data D. chromosome maps and STSs