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.
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<span>D.water and carbon dioxide</span>
Answer:
Organisms use camouflage to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey. ... The physical characteristics of the organism are important. Animals with fur rely on different camouflage tactics than those with feathers or scales, for instance.
Explanation:
<h2>Given statement is false</h2>
Explanation:
According to dispersive model of DNA replication,DNA molecules are hybrids of parental and daughter DNA;In this model each individual strand is a combination of original and new DNA
Meselson and Stahl did an experiment on DNA replication using E.coli bacteria
- E.coli was grown in a medium containing heavy isotope of nitrogen,bacteria took up the nitrogen and used to synthesize new biological molecules,including DNA
- It was grown for many generations,the nitrogenous bases of the bacteria's DNA were all labelled with heavy nitrogen
- Bacteria were then switched to light nitrogen isotope and allowed to grow for several generations
- They then measured the density of the DNA using density gradient centrifugation
- This method separates molecules such as DNA into bands by spinning them at high speeds in the presence of another molecule, such as cesium chloride
- Each DNA produced two DNA molecules each with one new strand and one old strand called semi conservative replication(half of the parental DNA conserved in daughter DNA)
- Each DNA strand act as a template for synthesis of new strand
- Hence,dispersive model of DNA was eliminated and semi-conservative model of DNA replication was proved by the above experiment
<em>In Roosevelt's speech, some of her main ideas are:</em>
'It would be better if people were not so busy competing with each other
'The role of women is changing'
'a good home life is based on strong relationships'.
