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Which statement is true about a cell wall but not a cell membrane?
It forms the outer layer of a cell.
O It gives an animal cell its shape.
O It is selectively permeable,
O It is made mostly of cellulose,

Gregor mendel was the first scientist to use statistics to analyze scientific data before mandel's experiments, scientists believed that organisms acquired traits from their environment and pass them on to their offspring after mendel's discoveries were accepted scientists realized that traits passed to offspring were the result of genes being passed from parent to his parents this is an example of

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.

Does all the energy stored by the phytoplankton reach the top level of the pyramid