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r-ruslan [8.4K]
3 years ago
10

Waterproofing wax found on some plant leaves belong to this class of macromoleculesImmersive Reader

Biology
1 answer:
Vikki [24]3 years ago
5 0

Answer:

lipid acidhfjfgtzcjdgcsyicdyfdy

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Scientists originally thought cell membranes evolved before RNA. However, recent evidence suggests RNA developed before the memb
Darya [45]

Answer:

The need for replication, specialization, compartmentalization is key to understand that RNA evolved first

Explanation:

Logical contrast considering a certain catalytic activities of cardinal importance in the early evolution of life ;

• using an RNA molecule that is involved in to catalyzing the process of templated polymerization –selecting a random RNA molecule as a template.

• the ribozyme activity in this process must have engaged an in vitro process in a body part that no longer has a function such that it that can only synthesize moderate lengths of RNA

• when this molecules acts on the copies of itself can replicate

• when it acts on copies of other type of RNA molecules in its surrounding he can promote their replication

• a cooperative system might have evolved from the neighbors to help the survival of this friendly RNA molecules – through catalytic actions, such that a set of different types of RNA molecules evolves with a mark of specialization for different activity.

The development of individual compartments is proposed to be akin to the effective self-replicating systems.

• If RNA molecules are mutually beneficial they may serve the purposes of being specialized for templated polymerization.

• If these RNAs were free to diffuse among a large population of other RNA molecules, they could be assimilated into an established group by other replicating systems, which in turn may compete with the original RNA system for raw materials.

• The quality of the self-replicating systems they generated relies on the compartment that restricts the RNA molecules only to the system they serve.

• compartments started simply and perhaps had simple adsorption on surfaces or simple particles.

• compartmentalization became complex requiring a class of small molecules with varying physicochemical properties liike being amphipathic.

• This gave rise to the phospholipids mainly and the present-day cells often are coated by a plasma membrane consisting of amphipathic molecules in this configuration.

3 0
3 years ago
I need help with 6 and 7 please.
kotegsom [21]

Answer:

6)  C

7)  A

Explanation:

4 0
3 years ago
Barbara has been healthy up to the past couple of weeks, but since then has been complaining of considerable muscle weakness. He
Gelneren [198K]
<h2>Option (D) is Right Answer</h2>

Explanation:

   (d) High blood pressure

  • <em>Lemon is one the best remedies for hypertension</em>. It is known to make the veins delicate and adaptable, bringing down circulatory strain level
  • <em>Lemon juice</em> is known to bring down the <em>triglyceride </em>level and is in this manner advantageous for people experiencing <em>hypertension</em>
  • Lemon juice likewise brings down cholesterol
  • Basic factors that can prompt <em>hypertension </em>include such as  An eating regimen <em>high in salt, fat, as well as cholesterol</em>
  • <em>Ceaseless conditions, for example, kidney and hormone issues, diabetes, and high cholesterol</em>
7 0
2 years ago
If the contents of a cell have a solute concentration of 0.04 percent, which of these solutions would cause it to swell?
garik1379 [7]
The water will go from low concentration to high concentration spontaneous. So the solution would cause the cell swell means let the water goes inside the cell which the solution has lower concentration than cell.
6 0
3 years ago
A local widening of an artery which may be life threatening is a/an
Maru [420]
Hey there,
The answer is - aneurysm<span>
Hope this helps :))

<em />~<em>Top♥</em>
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8 0
3 years ago
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