Which cellular structure is unique to plant cells?

A) Ribosome
B) Chloroplasts
C) Mitochondria
D) Plasma membrane


Ans: B) Chloroplasts

Biology & Microbiology

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The movement of oxygen through the aquatic plant may depend on  

A.  osmotic absorption by the roots. B.  aquaporins. C.  negative pressures created by transpiration. D.  differences in the water potential of different tissues. E.  aerenchyma tissue.

Biology & Microbiology

Which group of organisms has the greatest percentage of species in danger of extinction, according to the International Union for Conservation of Nature (IUCN)?

A) plants B) mammals C) birds D) reptiles

Biology & Microbiology

Listeria monocytogenes causes listeriosis, an important ________.

A. water-borne infection B. food-borne infection C. insect-borne infection D. air-borne infection

Biology & Microbiology

Visible expression of a genotype—e.g., brown eyes or attached earlobes.

What will be an ideal response?

Biology & Microbiology