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Oliga [24]
2 years ago
15

What part of the brain is responsible for happiness

Biology
1 answer:
victus00 [196]2 years ago
7 0
The limbic cortex. Another area called the precuneus also plays a role.
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A bacterium is infected with an experimentally constructed bacteriophage composed of the t2 phage protein coat and t4 phage dna.
PtichkaEL [24]
T4 protein and T4 DNA
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2 years ago
when clown fish is ready to lay eggs it lays them near a sea anemone how this a reproductive strategy
Andrei [34K]

Clown fish live in anemones, so the eggs being hatched there would the give it a home nearby

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2 years ago
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Give an example of a theory and 1 example of a scientific law.
Vaselesa [24]

Answer:

A scientific law is simply an observation of the phenomenon that the theory attempts to explain. For example, suppose that you were lying under an apple tree and observed an apple fall from a branch to the ground. The observation of this phenomena can be called the law of gravity.

7 0
3 years ago
01. A Study is Being Planned to Examine the Effects of Drug 911-918. The Goal of the Study is to Examine the Effects of Drug
Leona [35]

The Best-Correct Statements as it Pertains to the Control Group and Experimental Group are:

  • The Control Group Receives No Drug while The Experimental Group Receives No Drug 911-918.
<h3 />

What are the control and experimental group in a study?

The control group in a study is the group in which no changes are applied to the group.

In the control group, the variables are kept constant, hence, the control group is also known as the constant group.

The experimental group in a study is the group to which the treatment being studied is applied. The control group receives the treatment of the variable under study.

Hence, the group that receives the drug 911-918 is the experimental group.

Learn more about the control and experimental group at: brainly.com/question/26323529

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7 0
10 months ago
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
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