Which of the following happens when cancer occurs? A. The control of the cell cycle is impaired.
B. Cells cannot pass the G1 checkpoint.
C. Apoptosis or programmed cell death takes place.
D. The cells can no longer enter the cell cycle.

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production