Growth & repair and maintence if body cells and tissues and its secondary function is energy
Answer:
The answer is c, your welcome;)
Explanation:
<h2>Answer </h2>
The components of the r group of amino acid structure varies among different amino acids
<u>Explanation </u>
As the functional group for amino acids is as:
R-CH-COOH
I
NH2
only R differs so amino acids also differs. If R is “H” then amino acid is glycine and if R is “CH3” then amino acid is alanine. Hence, R is different for different amino acids. Other components as alpha carbon ( C ), carboxyl group ( COOH ) and amino group ( NH2 ) is fixed for every amino acid.
"They result in high non-response bias" is a disadvantage of online surveys.
<u>Option: A</u>
<u>Explanation:</u>
To several market analysts online surveys have become the default tool. It is fairly so. The ease of accessibility and the use of online surveys also in turn creates issues in itself. The advantages and disadvantages of online surveys are listed below:
<u>Advantages:</u>
- Accessible to most target audiences.
- Generally no cost-based geographic restrictions.
- Motivate flexible framework with countless question forms and formats.
<u>Disadvantages:</u>
- Poorly chosen networks of dissemination can contribute to skewed data, low success rates and a host of other possible problems.
- Difficulty targeting other groups of respondents, like those without internet access or samples of non-customers in niche sectors.
