true the only exception to organisms with different genetic codes are identical twins
Answer: C- body cells
Explanation: sex cells and ova (egg) undergo meiosis
Answer:
a. All three statements are true.
Explanation:
The major force responsible for protein secondary structure is hydrogen bonding- Secondary structure of proteins are defined by the pattern of HYDROGEN BONDS between the hydrogen of the amino group and oxygen atoms of the carboxyl group in the peptide backbone.
Amino acids found in proteins are almost always L-isomers- All the twenty naturally occurring amino acids comprise of the L- isomer forms.
Conjugated proteins always contain one or more prosthetic groups-Most proteins contain only amino acids and no other chemical groups. These types are called simple proteins.
Some types of proteins undergo hydrolysis and yield some other chemical component in addition to amino acids.These types are called conjugated proteins. The non-amino part of a conjugated protein is usually called its prosthetic group and without this prosthetic group the protein is meant to be a simple protein and not a conjugate protein.Most prosthetic groups are formed from vitamins.
D) In the past, accidental discoveries have played a major role in scientific progress.
Scientists never assume that existing scientific theories are perfect, although they explain a great variety of facts. You must be ready for new findings, which challenge accepted ideas. Unintentional findings have played an important role in scientific progress in the past. If all the results that were contrary to accepted theories were ignored, science progress would be severely limited.
