Which of the following is one of the hallmarks of a cell?
A. Presence of Cell Wall
B. Presence of Nucleus
C. Extra-Cellular Living
D. Self replicating
Ans: D. Self replicating
Biology & Microbiology
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Researchers study the inheritance of particular human traits by ____
a. performing breeding experiments b. crossing individuals with different phenotypes c. analyzing genealogical pedigrees d. selectively breeding certain individuals e. using artificial selection techniques
Biology & Microbiology
What phenomena is thought to bring nutrients to Atolls?
a. Upwelling b. Algal ridges c. Run-off d. Settling of sediments
Biology & Microbiology
During which stage of mitosis does the nuclear envelope begin to reappear?
a. Telophase b. Anaphase c. Metaphase d. Interphase
Biology & Microbiology
Cilia and flagella are both made of ________
A) actin B) tubulin C) intermediate proteins D) phospholipids
Biology & Microbiology