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Anestetic [448]
3 years ago
6

Describes natural selection?

Biology
1 answer:
eduard3 years ago
6 0
Simply, natural selection is that the genetically strongest organisms will be the ones that are able to survive and reproduce, which eliminates weak characteristics, and keeps the strong ones. Survival of the fittest.
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Which is composed of amino acids and determines all the structures and functions or organisms
Andrews [41]
Protein because dna is made of nucleotide. Ribosome makes protein and proteins are made up of Amino Acids.
So the answer is Protein
6 0
3 years ago
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Imagine you are writing with a penpal, and in one letter he explains that he lives by the beach but he has never understood tide
yanalaym [24]

Answer:

Problem Question  

Imagine that you communicate with an applying simple, and he mentions in one letter that he lives by the ocean, but he has never experienced tides. To explain what affects the tides, you can use what you have experienced, and how he should tell what sort of tide he can expect.  

This must be in letter format, so be sure to adjust your thoughts including paragraphs. Be sure to include the following information in your letter:  

What activates tides  

Position of both the sun and moon  

Enhanced vs. low tide  

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Explanation:

3 0
2 years ago
Managing crop competitors and pests has been challenging to agronomists for centuries. One approach, integrated pest management,
Anna11 [10]

Integrated pest management, COMBINES synthetic chemical pesticides with biocontrol techniques. This approach can result very useful to control insect pests that affect diverse crops.

Integrated pest management is an original approach that integrates both ecological and synthetic contexts to eradicate crop pests in the field.

For this purpose, integrated pest management uses information on the target insect (pest) life cycle and its interaction with environmental factors.

The most important factors associated with integrated pest management include natural pest control, costs effective sampling, insect pest biology and ecology.

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brainly.com/question/4393541

8 0
3 years ago
What type of muscle contracts and relaxes to control the movement of the contents within its structures
allochka39001 [22]
Skeletal muscles mechanically move the body. Messages from the nervous system cause these muscle contractions.
6 0
2 years ago
What is the structure of a protein molecule?
Olenka [21]

Protein structure is the three-dimensional arrangement of atoms in a protein molecule. Proteins are polymers — specifically polypeptides — formed from sequences of amino acids, the monomers of the polymer. A single amino acid monomer may also be called a residue (chemistry) indicating a repeating unit of a polymer. Proteins form by amino acids undergoing condensation reactions, in which the amino acids lose one water molecule per reaction in order to attach to one another with a peptide bond. By convention, a chain under 30 amino acids is often identified as a peptide, rather than a protein.[1] To be able to perform their biological function, proteins fold into one or more specific spatial conformations driven by a number of non-covalent interactions such as hydrogen bonding, ionic interactions, Van der Waals forces, and hydrophobic packing. To understand the functions of proteins at a molecular level, it is often necessary to determine their three-dimensional structure. This is the topic of the scientific field of structural biology, which employs techniques such as X-ray crystallography, NMR spectroscopy, and dual polarisation interferometry to determine the structure of proteins.

Protein structures range in size from tens to several thousand amino acids.[2] By physical size, proteins are classified as nanoparticles, between 1–100 nm. Very large aggregates can be formed from protein subunits. For example, many thousands of actin molecules assemble into a microfilament.

A protein may undergo reversible structural changes in performing its biological function. The alternative structures of the same protein are referred to as different conformational isomers, or simply, conformations, and transitions between them are called conformational changes.

4 0
3 years ago
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