Smoking may lead to weight gain because it increases the body's capacity for physical activity.

a. True

b. False

Which discovery supported the endosymbiotic theory?

Some bed bugs had mutations in their genetic code which allowed them to survive the chemical pesticide and they produced chemically resistant offspring.

Explain why food webs are more stable than food chains

The organelle in a plant that uses the sun energy to make sugar is the

Which is a function of the protein hemoglobin? regulate blood sugar transport oxygen through the blood contract muscles build muscles

How many different enzymes may be in the cytoplasm of a bacterium? How many copies of each enzyme are there?

All vertebrate embryos have slits and

What are the various methods of measuring testosterone levels in men?

Yeast were exposed to various sugars in culture without oxygen According to the data in the culture with which sugar would the most ATP be measure maitose, because it is a disaccharide and has more high energy bonds glucose, because it is a

Which organelle does the krebs cycle take place?