What technology advancement was necessary before scientists could begin to observe cells

How many of the following factors would affect the permeability of the cell membrane? • Size of molecules. • Lipid solubility of molecules. • Presence of transport channels. • Presence of ATP inside the cell.

What is the space in the middle of the mitochondrion called? O A. Thylakoid O B. Mitochondrial matrix O C. Cytoplasm O D. Mitochondrial cristae

What types of features would be visible if the oceans were drained?

A human kidney filters about 200 liters of blood each day. Approximately two liters of liquid and nutrient waste are excreted as urine. The remaining fluid and dissolved substances are reabsorbed and continue to circulate throughout the body.

What property do all of the group 18 elements have that makes them stand out from other elements? They are the only nonmetals that are liquid at room temperature. They are the only nonmetals that are solid at room temperature.

Which of these is a fiber - yielding crop?

A cluster sample is obtained by selecting individuals who are easily contacted or those who voluntarily respond.

Were does condensation occur? A) Hydroshere B) Lithoshere C) Boishere D) Atmosphere

A three-year-old-has stuck a crayon in his nose. Assessment reveals the crayon to be deeply embedded in the right nostril with some irritation and swelling noted. His vital signs are: pulse 124, respiration 20, and SpO 2 100 percent.

Polymers are made of individual subunits called