Answer:
3. the absence of a cell wall in human cells
Explanation:
Animal cells do not have cell walls. Cell membranes separate the cytoplasm of the animal cells from the surroundings and maintain their interior. Plant cells have cellulosic cell walls. A cell wall surrounds the cell membrane of a plant cell. Cell walls serve to provide structural support and protect plant cells from pathogens. Cell walls also help keep excess water out of cells so they do not burst. Therefore, human cheek cells would not have cell walls while the onion cells would have cell walls made up of cellulose.
DescriptionPineapple juice is a liquid made from pressing the natural liquid from the pulp of the pineapple tropical plant. Numerous pineapple varieties may be used to manufacture commercial pineapple juice, the most common of which are Smooth Cayenne, Red Spanish, Queen, and Abacaxi.
Answer:
Professional gardeners often soak seeds in hydrogen peroxide before planting them in order to increase the germination percentage or to reduce germination failure. When the seeds are soaked in hydrogen peroxide, the seed coat becomes soft and enzymes present in the seed becomes active. Due to soaking of seeds, the seed takes less time to germinate. So that's why gardeners uses this method.
Answer:
The catabolic processes associated with the production of ATP are activated in order to supply its demand and to provide energy
.
Explanation:
Adenosine triphosphate (ATP) is the basic unit of energy in the cell, this molecule is used in many physiological processes including nerve impulse, muscle action, etc.
