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Evgen [1.6K]
3 years ago
13

Which phase preps the cell for mitosis

Biology
1 answer:
posledela3 years ago
5 0
<span>prophase preps the cell for mitosis </span>
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The nitrogen bases in DNA are held together by?
SCORPION-xisa [38]
Your answer is c: hydrogen bonds

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2 years ago
which of the macromolecules tested in this exercise (proteins, lipids, nucleic acids) were formed by dehydration reactions? expl
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Large polymers are created during dehydration synthesis, which are typically referred to as biological macromolecules. These compounds include proteins, lipids, carbohydrates, and nucleic acids.

As a result, the dehydration reaction is responsible for the formation of protein, lipid, and nucleic acids.

1. Protein structure

  • Amino acid polymers form proteins. There are four different types of proteins, based on structure.
  • The amino acid sequence of a protein is represented by its primary structure, which is a linear chain.
  • The backbone (main chain) atoms of a polypeptide are arranged locally in space to form the protein's secondary structure.
  • A polypeptide chain's whole three-dimensional structure is referred to as a protein's tertiary structure.
  • The protein's quaternary structure, which is a three-dimensional arrangement of the subunits of a multi-subunit protein.

2. Lipid structure is a crucial element of the cell membrane. The structure is mostly composed of a glycerol backbone, two hydrophobic fatty acid tails, and a hydrophilic phosphate group.

3. Nucleic acids' structure: Nucleotide polymers make up nucleic acids. Each nucleotide is made up of an aromatic base with a N-atom connected to a pentose sugar with five carbons, which is then joined to a phosphate group.

To know more about biological macromolecules visit:

brainly.com/question/2141678

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7 0
1 year ago
What is a colloid solution?
ZanzabumX [31]

Answer:

Colloids or colloidal solutions are mixtures in which microscopically dispersed insoluble particles of one substance are suspended in another substance. The size of the suspended particles in a colloid can range from 1 to 1000 nanometers (10-9 meters).

Hope it helps........

8 0
2 years ago
Most infants are physically ready to start eating solid foods when they
xeze [42]
The correct answer is A.
The official guidelines from doctors state that infants should start consuming solid food after the age of six months. In order for the infants to be safe and healthy, they need to be able to sit up, support their back and chew safely before being given solid food. 

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3 years ago
How is a mitochondria’s structure related to its function
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It is because it's surface area is responsible for the production of ATP molecules.

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3 years ago
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