Each year, smoking causes more than 250,000 deaths from cardiovascular disease-far more than it causes from cancer and lung disease.

a. True

b. False

External respiration involves the Group of answer choices exchange of dissolved gases between the cells and interstitial fluids. utilization of oxygen by tissues to support metabolism. binding of oxygen by hemoglobin.

A section of a genome is cut with three enzymes: A, B, and C. Cutting with A and B yields a 10 - kb fragment. Cutting with B and C yields a 2-kb fragment.

8. How does the atmosphere act as blanket? State difference between lithosphere and Biosphere?

If the water temperature in a lake drops from 25°C to 10°C, what effect is it likely to have on aquatic animals that have a high demand for dissolved oxygen? They will find it easier to meet their needs for dissolved oxygen.

What is the purpose of biofertilizers? a. reduce pollution b. reduce insect threats c. reduce erosion d. reduce herbicide use

For an organism to grow, chemical reactions that absorb energy from the surroundings must take place. However, these reactions do not occur spontaneously.

What is an underwater volcano called

What happens to the atomic radius as you move down a group on the periodic table

Explain how RNA polymerase recognizes where transcription should begin. Describe the promoter, the terminator, and the transcription unit.

What breed is considered the purest of all the horse breeds?