If the liver cells of an animal have 42 chromosomes, this animal's sperm would have how many chromosomes?

Describe glycolysis in terms of energy input, energy output, and net gain of atp.

What are the two basic principles of evolution?

Multiple Choice - Why do some flies live only 12 hours and others live 30 hours without food? a. because some flies ate more food before the food was removed b. because there is variation in the population for starvation resistance c.

Which part of the cell membrane is nonpolar and prevents the cell from dissolving?

If you wanted to make all days on Earth the same length, what would you have to do?

A population is defined as all of the inhabitants of a given country or area considered together. a. True b. False

How does random fertilization add to genetic variation? a) reshuffling of randomly picked up chromosomes b) random fusion of genetically unique gametes c) exchange of genetic material between homologous chromosomes

When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat, the energy of the light wave is what?

Which statements about a child with brown eyes must be true? Choose more than one answer

I observe that squirrels that live in the southeastern United States are much thinner than squirrels that live in the northeastern part of the country.