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levacccp [35]
2 years ago
9

15. What are the similarities between the chemical structure and composition of proteins, carbohydrates, and lipids

Biology
1 answer:
DerKrebs [107]2 years ago
3 0

Proteins are composed of amino acids, lipids consist of glycerol and fatty acids, and carbohydrates are composed of monosaccharides. the are biomolecules.

<h3>Classification and composition of biomolecules</h3>

Carbohydrates are biomolecules composed of one or more monosaccharide subunits linked by glycosidic bonds.

Lipids are biomolecules composed of one glycerol backbone and two or three fatty acids.

Proteins are biomolecules composed of amino acid subunits linked via peptide bonds.

Learn more about biomolecules here:

brainly.com/question/10904629

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The cingulate cortex is a subcortical structure above the corpus callosum. its anterior (forward) segment participates in ____,
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Answer;

Decision making and emotion; memory and visual processing

Explanation;

Cingulate Cortex  is a subcortical structure above the corpus callosum. its anterior (Forward) segment participates in decision making and emotion, and its posterior (rear) segment participates in memory and visual processing.

-The forward 2/3 of this structure, the ACC: anterior cingulate cortex- participates along with the hypothalamus in the control of the autonomic nervous system (also roles in decision making, emotion, anticipation of reward, and empathy)

The rear third, PCC: Posterior cingulate cortex participates in memory and visual processing.

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A zebra’s diet consists of grasses, shrubs, and leaves. A zebra doesn’t eat other animals to survive. What kind of an animal is
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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 ;

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• 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.

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• 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.

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Large ecosystems always have higher biodiversity than smaller ecosystems. A large area of a forest will likely have higher biodiversity than a smaller area of a small area and small ecosystems always have low biodiversity.
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