The central dogma of molecular biology describes the two-step process, transcription and translation, by which the information coded in dna is used to make proteins or polypeptides esthe model presented, what is represented by a? defend your answer
a) a represents rna. translation is the synthesis of an rna copy of a segment of rna
b) a represents rna. transcription is this synthesis of an rna copy of a segment of dna
c) a represents proteins. translation is the synthesis of a protein using dna as a template for the assembly of the protein
d) a represents protein. transcription is the synthesis of a protein using dna as a template for the assembly of the protein.

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.