A Micrometer is one millionth of a meter
Answer: The statemens correct are: A) In a β-pleated sheet, the side chains extend above and below the sheet,
C) The α-helix is held together by hydrogen bonds between the amide N-H and C=O groups
D) The secondary level of protein structure refers to the spatial arrangements of short segments of the protein
E) Peptide bonds stabilize secondary structure
Explanation: The statement B is incorrect, because the amino acid side chains extend outside the alpha-helix, not inside
The answer in the statement above is true, it is because it
is necessary to have large sample because diseases are unpredictable, which
will be difficult especially on isolated populations are being considered.
Having an isolated population could be hard to the researches because they only
have a limited people to observe, that is why they needed a large sample in
order to differentiate results and have enough sample to use.
In cases of birth deffects and conjoined twins, yes it is possible.
