D .............. im pretty sure its this one :)
The right answer is It connects amino acids.
• Amino acids are the building blocks of proteins.
• There are 21 amino acids, but only one type of binding used to connect them: it is the peptide bond.
The peptide bond is formed during the translation step by a covalent bond between an α-amino group of an amino acid and the carboxylic group of another amino acid. A molecule of water is eliminated.
compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
Answer:
<em>In a scientific investigation the term quantitative data refers to numbers that are usually followed by a unit.</em>
Explanation:
A scientific investigation can be described as an investigation which is made through the scientific method of research. A scientific question is often tried to be answered through valid experiments by this method. The experiments performed can either be quantitative or qualitative. Quantitative data is the data which is taken through mathematical or statistical methods and has a well-defined unit in which the measurements or numbers are being taken.