NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which structures are found in ALL cells?
A
cell membrane and cytoplasm
B
chloroplasts and mitochondria
C
a cell wall and nucleus
D
chloroplasts and cell wall
Explanation: 

Detailed explanation-1: -A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.

Detailed explanation-2: -Both prokaryotic and eukaryotic cells have similar features, like ribosomes, genetic material, a cytoplasm, and plasma membranes. There are two primary types of eukaryotic cells: animal and plant cells. The human body contains various types of eukaryotic cells, including neurons, intestinal cells, and blood cells.

Detailed explanation-3: -All cells, however, have both a cell membrane to enclose the cell and cytoplasm, which is the watery substance that contains all of the contents of the cell.

Detailed explanation-4: -All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment. Ribosomes are the non-membrane bound organelles where proteins are made, a process called protein synthesis.

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