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Margaret [11]
2 years ago
5

Christopher describes how warm ocean currents help moderate Florida’s temperature.

Biology
1 answer:
MakcuM [25]2 years ago
6 0
From Florida towards the west
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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
The ovary develops into the fruit if pollinated.<br><br> A. True<br><br> B. False
BARSIC [14]

Answer:

A. True

Explanation:

The ovary surrounding the ovules develops into a fruit.

7 0
3 years ago
What is a core function implemented during an emergency.
MatroZZZ [7]
During an emergency what you would usually want to do is a so-called threat and hazard analysis - C.

You would do this because you would want to observe and note which is a source of threat for you in a certain emergency situation. You would also to this to observe the possible hazards of doing a certain action/certain actions. 
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3 years ago
What will you have in 500 years????
aivan3 [116]

Answer: You Palpatine, I'd still have you.

Explanation:

8 0
3 years ago
Which structural component is found in DNA but not in RNA?
Alla [95]
Dna has a double helix
4 0
3 years ago
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