What is the difference between a chromatid and a chromosome? a. chromatids consist of dna, whereas chromosomes consist of proteins. b. chromosomes are always replicated, whereas chromatids are not. c. a chromatid always consists of two linear dna molecules, whereas a chromosome always consists of just one linear dna molecule. d. a chromatid is one half of a replicated chromosome, whereas a chromosome consists of dna wrapped around proteins in a highly organized manner?

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

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