The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the green arrow is pointing?
A. At this point in the cell cycle, the cell has determined that the DNA is intact and environmental conditions are favorable for DNA replication.
B. At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate.
C. At this point in the cell cycle, DNA has already been replicated correctly and the cell is preparing for mitosis.
D. At this point in the cycle the cell is determining if environmental conditions are favorable for growth and proliferation.
E. At this point in the cycle the cell is continuing to grow and make abundant tubulin proteins.
B. At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate.
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The paralytic toxin from C. botulinum differs from the toxin from C. tetani in that __________.
Fill in the blank(s) with correct word(s).
The field of genetic counseling began when the term was coined
A) in 1986, when the human genome project was first suggested. B) in 1947, to help physicians explain inherited diseases to their patients. C) in 1953, when Watson and Crick discovered the structure of DNA. D) in 1865, when Gregor Mendel published his work on inheritance patterns in pea plants.
Sponges can reproduce both sexually and asexually
Indicate whether the statement is true or false
Primary active transport results in which of the following?
a. A charge difference across a membrane b. A pocket forming around target particles c. The formation of additional ATP d. The reduction in extracellular fluid