LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Animal cells have all of the following except
A
ribosomes
B
cell wall
C
cell membranes
D
lysosomes
Explanation: 

Detailed explanation-1: -Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.

Detailed explanation-2: -Animal cells do not have cell wallsbecause they do not need them. Cell walls, which are found in plant cells, maintain cell shape, almost as if eachcell has its own exoskeleton. This rigidity allows plants to stand upright without the need for bones .

Detailed explanation-3: -Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall. This feature was lost in the distant past by the single-celled organisms that gave rise to the kingdom Animalia.

Detailed explanation-4: -Animal cells have a cell membrane. They also have organelles such as a nucleus, mitochondria, and the Golgi apparatus. However, they do not have. Chloroplasts can only be found in photosynthetic cells such as those found in plants and green algae.

Detailed explanation-5: -Animal cells lack cell walls. The cell wall is present in plant cells, bacteria, and fungi.

There is 1 question to complete.