NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL ORGANELLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What organelle directs all cell activities and contains the DNA?
A
nucleus
B
mitochondria
C
chloroplast
D
cell membrane
Explanation: 

Detailed explanation-1: -Nucleus-The control center of the cell that directs all of the cell activities. Genetic material is contained inside.

Detailed explanation-2: -Known as the cell’s “command center, ” the nucleus is a large organelle that stores the cell’s DNA (deoxyribonucleic acid). The nucleus controls all of the cell’s activities, such as growth and metabolism, using the DNA’s genetic information.

Detailed explanation-3: -Nucleus-The nucleus is the control center of the cell. It is the largest organelle in the cell and it contains the DNA of the cell. DNA (Deoxyribonucleic Acid) contains all the information for cells to live, perform their functions and reproduce. Inside the nucleus is another organelle called the nucleolus.

Detailed explanation-4: -Answer and Explanation: Two organelles that contain DNA are mitochondria and chloroplasts. Mitochondria function to make energy for the cell through cellular respiration, and chloroplasts make energy from sunlight through photosynthesis.

Detailed explanation-5: -Nuclei contain the genetic material called DNA that is responsible for controlling and directing all cell activities. This is a very important organelle given its vital function.

There is 1 question to complete.