Answer: First, p53 triggers production of Cdk inhibitor proteins, pausing the cell cycle in G1 to allow time for repairs. ... In cancer cells, p53 is often missing, nonfunctional, or less active than normal. For example, many cancerous tumors have a mutant form of p53 that can no longer bind DNA.
Explanation:
D. <span>In root-tip wedging, plant roots get into cracks, grow, and break apart the rocks.</span>
Answer:
true or so google says lol
I would say d because mars for us maybe was with ice till the big bang and made mars really hot.
Answer:
false
Explanation:
not all cultures practice the same gender norms and ideologies
