Answer: A. The onion cells have lysosomes, and the cheek cells do not.
Explanation:
Answer:
active transport
Explanation:
Active transport is the energy-requiring process of pumping molecules and ions across membranes "uphill" against a gradient. The active transport of small molecules orions across a cell membrane is generally carried out by transport proteins that are found in the membrane.
Answer:
-lack of food in the area
-more predators
-envirment changes
-over population
Explanation:
It would not be plants, even though it has cell walls. They are not made of chitin. Plants are also not heterotrophic.
Fungi, however, decompose other matter, and have cell walls made of chitin. This would fit the description.
Answer:
AO X BO
Explanation:
Offspring will look like AB AO BO OO