Sodium-potassium pumps are examples of what type of cellular transport?

a. transport in vesicles

b. hypertonic transport

c. primary active transport

d. secondary active transport

e. facilitated diffusion

A unicellular, eukaryotic organism has flagella and cell walls of chitin. What is it?

Prader-Willi syndrome is caused by a mutation in an autosomal maternally imprinted gene. Label the following statements as true or false, assuming that the trait is 100% penetrant. Sons of affected males have a 50% chance of showing the syndrome.

What happens to biological productivity in areas where two major currents meet?

Which of the following best describes the process of conjugation? DNA segments from broken-down prokaryotic cells are taken in and incorporated into the DNA of living cells.

Gardner is a left-handed adult. it is most likely that he has a thicker-than-normal:

The difference in the concentration of a substance from one location to another is called a

Which statement is true about nitrogen and oxygen? A. They make up about 99.9% of the human body B. They are both used to make water molecules C. They are both made of protons, neutrons, and electrons. D. They both contain no subatomic particles

Time sensitive: What plants or herbs (or berries) calm snakes? need to know.

The hydrosphere is predominantly made of A. gaseous air. B. frozen water. C. solid rock. D. liquid water.

A patient has diabetes a disease that causes high blood sugar levels which macromolecule will a dietitian monitor most closely in a patient that has the disease