What cells were choloroplants present in? What did they look like in various cells?

A biologist counts the number of zebras in a population each year, and notices an increase in the zebra population. Which describes the biologist's actions? graphing inference observation interacting

What are the parts of a seed? Check all that apply. protective coat pollen cuticle stored food sperm cells embryo

How do extremophiles adapt

Animals that feed on plants are at least in the

Diphtheria is caused by bacteria that have been infected by a bacteriophage. This bacteriophage is a lysogenic phage and contains the genes to produce the diphtheria toxin, which inhibits protein synthesis.

Cyclins are a family of closely related proteins that a. regulate the cell cycle b. cause cancer c. produce lipids

Many functions in the body are controlled by special compounds. Which statements about these compounds do you think are true? Check all that apply. The body can make all of the compounds it needs. The body gets energy from some compounds.

The wide range of eye color indicates that eye color is

you are using magnets in the classroom. During science you keep hearing your classmates drop the magnents. What testable question can you develop based on this observation?

Darwin argued that the beak size and shape of Galapagos finch species was related to their a. body size. b. food source. c. time of reproduction. d. flight pattern.