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What type of macromolecules is the waxy coating on a plant leaf?
The waxy coating on a plant leaf is primarily composed of lipids, specifically cutin and waxes. These macromolecules form a protective barrier that helps reduce water loss and provides some defense against pathogens. The hydrophobic nature of these lipids also aids in preventing the penetration of water and contaminants. Overall, the waxy cuticle is essential for the plant's adaptation to its environment.
What nmacromolecule is not organized in repeating units of monomers?
That are the lipids. They have fatty acids and glucerols
What lipid makes up a leaf cuticle?
The lipid that makes up a leaf cuticle is primarily waxes, specifically cutin. Cutin forms a hydrophobic barrier on the outer surface of the leaf, helping to prevent water loss and protect the leaf from environmental stresses.
What secretes cutin?
Cutin is secreted by the epidermal cells of plants to form a waxy layer on the outer surface of leaves and stems, known as cuticle. This waxy layer helps to prevent water loss, protect against pathogens, and reduce damage from UV radiation.
Which macromolecule provides insulation and helps animal conserve heat?
That is the lipids. It is a good insulator.
Is cutin a lipid?
yes it is
Which has thicker cutin pine or lilac?
Pine typically has thicker cutin compared to lilac. Cutin is found in the outer layer of plant cells and acts as a protective barrier. Pine trees often have thicker cuticles to help withstand harsh environmental conditions, such as cold temperatures and drought.
Which plant part benefits from the absence of cutin?
root
What is the outer layer of a leaft that is waterproof?
---- Cutin inbedded in wax
What is the function of cutin in leaves?
Cutin in leaves forms a waxy layer called the cuticle that helps reduce water loss by preventing excessive transpiration. It also provides protection against pathogens, UV radiation, and physical damage. Overall, cutin plays a crucial role in the adaptation of plants to their environment.
What is the cuticle waxy layer on the outside surface of the leaf?
cutin and cutan
How does cutin on an apple suit its function?
The cutin on the apple suits its function because it induces water conservation and also acts as an infectional prevention. Thus, the apple remains intact in terms of moist and taste.
What nmacromolecule is not organized in repeating units of monomers?
That are the lipids. They have fatty acids and glucerols
What secretes cutin?
Cutin is secreted by the epidermal cells of plants to form a waxy layer on the outer surface of leaves and stems, known as cuticle. This waxy layer helps to prevent water loss, protect against pathogens, and reduce damage from UV radiation.
What lipid makes up a leaf cuticle?
The lipid that makes up a leaf cuticle is primarily waxes, specifically cutin. Cutin forms a hydrophobic barrier on the outer surface of the leaf, helping to prevent water loss and protect the leaf from environmental stresses.
Why are cutin stomata and guard cells absent in elodea?
Elodea is a submerged aquatic plant that obtains oxygen and carbon dioxide directly from the surrounding water rather than from the air. Therefore, cutin, stomata, and guard cells, which are typically found in terrestrial plants for gas exchange, are not necessary for Elodea's survival in its watery environment.
Are steroids lipids?
No, steroids belong to lipids, but not all lipids are steroids: eg. natural fats or oils are triglyceridic lipids, not steroidic lipids
