Answer:
The cell membrane is semi-permeable. It allows some molecules to enter easily inside the cell whereas some molecules are blocked from entering the cell.
Small, polar molecules and hydrophobic molecules enter easily through the cell membrane. But large molecules and ions cannot easily move inside the cell membrane.
A hydrophilic substance like the substance L mentioned in the question enters the cell membrane through the help of carrier proteins. The substance attached to the large protein might enter through active or passive diffusion but it can only enter the cell by attaching to carrier proteins.
<span>He could not recognize things by sight that were familiar to touch</span>
<span>The option which is responsible for the exchange of gases in a leaf is D. the stomata. Stomata are tiny pores in leaves that enable the flow of gases throughout a plant. The phloem transports sugar, spongy is an adjective referring to something that resembles a sponge, and mesophyll is the part of the leaf that contains chloroplasts.</span>
Name the five layers of epidermis. Which layer is found only in thick skin? Superficial to deep: Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
