If a p53 gene is defective it may cause cell cycle to stop functioning normally. Without this cell cycle check, cells will divide continuosly creating many chromosomal damage.
Answer:
This is refers to as Greenstick fracture.
Explanation:
This is the type of fracture common in children less than 10 years, in which there is incomplete fracture of the bone,with ,but the cortex remain flexed.It is called green stick because it is analogous to the act of breaking a branch of a tree, which is not completely broken, from the main branch.
It is usually to due to falls,and common in kids because of their soft bones which is not completely formed and therefore will not break off completely like that of adults when fractured, but only from one side only.
Answer:
True
Explanation:
Cell cycle checkpoints are an important layer of control of the cell cycle. The cell cycle is a process by which cells divide.
There are 4 stages of the cell cycle G1, G2, S and M.
When the cell goes through the cell cycle, each stage has different processes that must occur for the cell to properly divide. During G1, the cell must grow to sufficient size and the environment must be favorable for cell division. During S phase, all the DNA must be properly replicated. during G2 the cell must prepare for division. During M, the cell actually divides.
There are 3 checkpoints throughout the cell cycle. The G1 checkpoint ensures the cell has reached sufficient size. The G2 checkpoint ensures the DNA has been properly replicated. The M checkpoint makes sure the chromosomes are properly attached to the spindles to split the DNA between 2 new cells.
Without these checkpoints, the cell can divide uncontrollably which can lead to cancer.
Although not completely proven, it's true some researchers suggest that consumption of large amounts of caffeine can result in cancers of the bladder, ovaries, colon, and kidneys.
<h3>How caffeine effect body ?</h3>
The body readily absorbs caffeine, and the short-term effects often manifest between five and thirty minutes after consumption. Increased breathing, heart rate, mental and physical vigor, as well as increased heart rate, are examples of these impacts. The duration of these effects varies from person to person and can reach 12 hours.
As little as 300 milligrams of caffeine, or about four cups of coffee, can raise your risk of experiencing adverse effects like nausea, anxiety, restlessness, and insomnia in adults. Caffeine misuse or excessive use in some individuals can also result in: Headaches. Irritability.
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C. The sum of all forces on an object in equilibrium is zero. Equilibrium means in a stationary position. Therefore there is no acceleration. And using Newton's second law, we can say that the net or resultant force is 0.
F = ma
=>F = m(0)
=>F= 0
