Name the part of the chromosome indicated by the arrow.
a) Sister Chromatid
b) Centromere
c) Gene
d) Mitotic spindle
b) Centromere
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Answer the following statement(s) true (T) or false (F)
1. Researchers in England found that, for three out of four habitat types they were studying, the most efficient strategy was to create a system of stepping stones linking existing habitat clusters. "Stepping stones" are a type of corridor. 2. The degree of allelic diversity of a population is independent of its size. 3. If the tilt of Earth's axis relative to its plane of orbit was increased to 30 degrees, the seasons in Boston would become less distinct. 4. Homo sapiens have existed on earth for 2% of the earth's history. 5. Prokaryotic organisms were the only life-forms present on earth for almost 2 billion years. Multicellular eukaryotes have only been around for about 25% of earth's history
A ________ diagram plots each species in a community, beginning with the most abundant and ending with the least abundant, along the x-axis, with the corresponding value of relative abundance on the y-axis
Fill in the blank(s) with correct word
As you look through the microscope, you observe a liver cell just beginning to enter mitosis. Identify the steps of mitosis that are listed in correct order.
A. prophase, B. metaphase, C. anaphase, D. telophase E. all of the above
The term peptidyl transferase relates to ________
A) elongation factors binding to the large ribosomal subunit B) 5' capping of mRNA C) discontinuous strand replication D) base additions during mRNA synthesis E) peptide bond formation during protein synthesis