Answer:
mutations are sometimes helpful, sometimes harmful and sometimes neutral
Explanation:
managed care organizations are the companies that have agreement with the patients to oversee their health care under minimum cost. there are a several benefits clients get from such arrangements which include
1. lower cost of services offered
2. patients receive care of high quality because each and every care provider must undergo a thorough accreditation process before being allowed to practice managed care
3. the entire process involves cheaper prescription than other practices.
During a phase named anaphase I, each chromossome goes to the opposite side of the cell from where it originally was.
Answer:
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The approximate diameter of one cell is 0.01 – 0.10 mm.
<h3>What is cell size?</h3>
Cell size is defined as the variable that is used to show how big or small is the cell of an organism.
The cell is defined as the structural and functional unit of a living organism.
The most animal and plant cells are 0.01 – 0.10 mm in size when viewed under the microscope.
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Answer:
d. The cell walls of bacteria are composed of peptidoglycan
Explanation:
Bacterial cell wall is made of peptidoglycan or murein. It is made of sugars and amino acids. Sugar component consists of N-acetylmuramic acid (NAM) and N-acetylglucosamine (NAG) alternating residues. A peptide chain of three to five amino acids is attached to NAM.
Gram positive bacteria have thick cell wall made of many peptidoglycan layers. Whereas gram negative bacteria have a thinner layer. The peptidoglycan cell wall is required for the survival of the bacteria hence it is targeted by many antibiotics like penicillin.
