The most humanlike australopith discovered so far is ____.
A. Australopithecus afarensis
B. Australopithecus africanus
C. Australopithecus ramidus
D. Australopithecus sediba
E. Australopithecus kadabba
Answer: D
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Crossing over occurs frequently during meiosis. Can crossing over occur during mitosis? Explain why mitotic crossing over may or may not be possible
What will be an ideal response?
During the process of muscle contraction, Ca2+ binds tropomyosin
____________________ Indicate whether the statement is true or false.
A phosphate group is weakly acidic
__________________ Indicate whether the statement is true or false.
What might be the result if cells that you are culturing acquire a mutation in a protein-tyrosine kinase that prevents the protein from being regulated in a normal fashion and keeps it continually in an inactive state?
a) a significant decrease in cell size b) cessation of cell division c) transformation into cancer cells d) uncontrolled cell division