Which of the following is NOT a factor involved in
the theory of evolution?
a. Organisms reproduce beyond the limits of the
environment that supports them.
b. Food supplies keep pace with the growth of
populations feeding upon them.
c. Traits have a heritable basis.
d. There is much variation in the characteristics of
organisms making up a population.
e. Some traits are more adaptive than others.
Answer: b
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Which of the following transgenic techniques requires linker proteins?
A) Embryonic stem cell method B) Retrovirus-mediated method C) Pronuclear injection method D) Sperm-mediated transfer method E) Plasma cell membrane fusion method
In meiosis I cytokinesis usually occurs after telophase I and produces
A. one diploid cell with sister chromatids still attached. B. two haploid cells with sister chromatids still attached. C. four haploid cells. D. two diploid cells. E. one haploid cell.
An example of a(n) drupe is an olive. Indicate whether the statement is true or false
DNA ligase binds
A) recombinant DNA to transformed bacterial cells. B) recombinant DNA to recombinant proteins. C) nucleotides in the DNA backbone together. D) nucleotide base pairs from opposite strands together.