What causes cancer in cells?
A. chemical damage to cell membranes
B. UV damage to transport proteins
C. skipping the S phase in the cell cycle
D. a disconnect between the two G phases
E. damage to genes failing to stop cell division
Answer: E
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When cooking meat, an internal temperature of ____°C must be reached to kill organisms such as Toxoplasma and Sarcocystis
a. 38 b. 48 c. 58 d. 68
Karyotypes are a method for displaying chromosomes by grouping them into homologous pairs based on what two distinguishing factors?
What will be an ideal response?
Mutations that destroy the protective function of tumor suppressor genes can lead to ________.
Fill in the blank(s) with the appropriate word(s).
The formation of carbohydrate (CO2 fixation) in the dark reaction of photosynthesis, takes place in the ________.
A. stroma B. thylakoid membrane C. cytoplasm D. nucleus