Select the pair of structures that best shows how plant cells are different from animal cells. a. cytoplasm and mitochondria b. chloroplasts and cell walls c. nuclei and centrioles d. ribosomes and cell membranes

B. chloroplast and cell wall.

Explanation:

Cell wall is the outer envelop structure which cover a plant cell. It provides a plant cell it's structure and rigidity. It is made up of rigid polysaccharide such as cellulose, pectin or hemicellulose. It protects the cell from the external environment. It prevents the entry of large molecules that can be toxic to cell.

Chloroplast is an organelle in the plant cell which consists of green pigement chlorophyll. This pigment absorbs the light energy from sun which is necessary for the process of photosynthesis in green plants.

Both cell wall and chloroplast are specialized structures present plants but not in animals.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

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