Which of the following statements is FALSE?
A) Each species has a specific number of chromosomes.
B) New nuclei are formed during telophase.
C) Genes and chromosomes are duplicated during prophase.
D) Homologous chromosomes do not pair during mitosis.
C
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The process whereby microorganisms are used to help clean up pollution created by human activities is known as
A) bioaugmentation. B) biodegradation. C) bioengineering. D) bioremediation.
A cell biologist is studying how toxins damage cells and prevent the transfer of signals from
outside to inside the cell. Which cell component is he studying?
a. plasma membrane b. cytoplasm c. ribosomes d. mitochondria
Match the term on the left with the correct description on the right.
The RNA molecules that carry amino acids to the ribosomes during protein synthesis are called
A. primer RNA. B. transfer RNA. C. messenger RNA. D. ribosomal RNA. E. ribozymes.