PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The role of environmental factors in cellular differentiation is to-
A
prevent a cell from dividing and transmitting its DNA to new cells.
B
destroy genes so they are repressed.
C
induce or repress gene expression.
D
assist a cell in dividing and transmitting its DNA to new cells.
Explanation: 

Detailed explanation-1: -Environmental Factors Influence Gene Expression Environmental factors can also influence gene expression and cell differentiation. For example, available nutrients, salinity, and temperature are all factors that can influence gene expression in organisms.

Detailed explanation-2: -Gene expression can be altered by environmental factors such as food, drugs or exposure to toxins, according to Duke Magazine. These changes can range from small to so significant that certain genes in our system can be turned off or on when they are supposed to be the opposite way.

Detailed explanation-3: -The expression of genes in an organism can be influenced by the environment, including the external world in which the organism is located or develops, as well as the organism’s internal world, which includes such factors as its hormones and metabolism.

Detailed explanation-4: -Gene expression plays a critical role in the morphological changes that take place in a developing embryo and fetus and in the differentiation of stem cells to form specialized cells.

There is 1 question to complete.