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natulia [17]
3 years ago
15

The layer cells that enclose the vascular tissue in the central region of the root is the?

Biology
1 answer:
V125BC [204]3 years ago
3 0
<span>Answer:

<span>A) endodermis
</span></span>
Note:


<span>The central cylinder is delimited by the endoderm, a layer of well-adjusted cells and endowed with special reinforcements on the walls, known as the Striae of Caspary.</span>
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Choose the statement that describes processes of receptor-mediated endocytosis, exocytosis, and the changes in the membrane orga
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Answer:

a. Endocytosis involves the opsonization of a receptor and its ligand in clathrin-coated vesicles, along with the inward budding of the plasma membrane. In exocytosis, waste material is enveloped in a membrane that fuses with the interior of the plasma membrane via attachment proteins.

Explanation:

Endocytosis: entails the external binding of a ligand to its receptor which is located on the external side of the plasma membrane. The membrane buds inwardly for internalization to occur.

Exocytosis: material that has been processed inside the cell is transported by vesicles which fuse to the internal side of the plasma membrane and ultimately transported to the outside of the cell.

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3 years ago
What are the characteristics of fungi?
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The characteristics of fungi are,

* Fungi are heterotrophic

* Fungi disperse themselves by releasing spores usually windblown

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What is the relationship between a hormone and a target cell?
olga55 [171]
A target cell respond to a hormone because it bears receptors
4 0
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Predict whether these concentrations would increase , decrease or stay the same if ammonia nitrifying bacteria
MAXImum [283]

Answer:

gdggg

Explanation:

3 0
3 years ago
Read 2 more answers
Drag each tile to the correct box. Lucia is walking barefoot in her yard. She accidentally steps on a nail. How will her nervous
tekilochka [14]

Answer:

First the proprioceptors found in the tissues will capture tissue damage and the presence of a continuity solution in the skin, then these receptors will activate the afferent pathway, which is the pathway of pain, which is sensory.

This stimulus that ascends to the central nervous system activates the "flight" mechanism in the face of pain (it is also known as the withdrawal mechanism).

It is in this way that a stimulation is sent to the alpha motor neuron in the form of an action potential as an efferent pathway to the skeletal muscles of the foot and the damaged leg, so that an automatic and involuntary muscle contraction is generated in a matter of millisemas of second after the damage, so the foot is removed from the damage area.

Explanation:

The withdrawal mechanism is a reflex that the human acquires before pain, that is why it is the muscular contraction is automatic and fast once the pain occurs.

So as a summary: 1 - the proprioceptors of the damaged tissue are activated 2- the signal of tissue damage rises as afferent to the CNS 3- the CNS responds by activating a signal that will be sent by interneuronal connections to the alpha motor neuron 4- the signal arrives as potential of action to the alpha motor neuron that innervates the muscles of the surrounding area to which it is damaged 5 - the muscles contract, generating the withdrawal of the limb.

6 0
3 years ago
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