Which kind of organism is an autotroph?

3. Mineral salts may move from the soil into the root hair cells and from the root hair cells to other plant cells via different processes.

Which statement correctly correctly describes the mechanism of inheritance? A.) Alleles from heterozygous chromosomes determine traits. B.) Chromosomes on homozygous genes determine traits. C.) Alleles on homologous chromosomes determine traits. D.

Which glial cell is found wrapped around nerve fibers in the pns?

Which of the following is an example of succession? O A. A forest fire takes place. Animals and plants compete for the remaining resources. O B. Big plants and small plants both grow near a lake O C.

Describe the function of the components you viewed in the epithelial tissue

The denaturation of proteins in a cell would have a profound effect on which of the following cellular activities? Choose all that apply.

Which of the following is not true of pyrimidines? A. example: thymine B. have a single ring structure C. example: cytosine D. example: adenine

Which class of molecules functions as chemical signals?

How many countries does North America have?

How can the mass of an object be determined in a laboratory? The object is weighed. The dimensions of the object are measured. The object is balanced against standard units of mass. The object is balanced against standard weights.