Answer: p53
Explanation:
In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.
C. Increased genetic variation
Answer:
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. ... This results in a net gain of two ATP molecules. Life first evolved in the absence of oxygen, and glycolysis does not require oxygen.
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B. Is characterized by four different zones.
Answer:
Peas exhibit a variety of contrasting traits (purple vs. white flowers; round vs. wrinkled seeds). The shape of the pea flower protected it from foreign pollen.
Explanation:
