What two structures generate the cells responsible for immune responses?

•B lymphocytes and T lymphocytes

•thymus and lymphocytes

•bone marrow and lymphocytes

•bone marrow and thymus

Does the cell depolarize or hyperpolarize if the extracellular concentration of potassium increases?

Create a nucleotide sequence with at least 9 DNA bases. Then, replicate your DNA strand using the appropriate DNA bases.

What happens when a parking lot is built in a wetland area

Water is a good solvent and has a high heat capacity. Why are these two characteristics important for life?

What is the term for a group of interbreeding organisms that are able to produce fertile young? A. biological species B. ecosystem C. population D. genus

Besides ridding the body of wastes formed during cell metabolism, the kidney adjusts blood chemistry in other ways. what are these three other ways?

What happens to alcohol during the cooking process A-it ferments so it is stronger B - it ferments so it is weaker C - it evaporates so it is bitter D-it evaporates so is it wear

When is speciation complete?

Darwin's observations of Galápagos finches support the theory of evolution. Molecular homology of genes, such as Hox genes, provides another type of support for how species evolve. What does this imply about scientific theories? A.

Which of the following statements about amphibians is true? A. Amphibians are represented by about 500 species of frogs, toads, and salamanders. B. Populations of amphibians in a few local areas have declined dramatically in the last few decades. C.