Before Pasteur's experiments with beef broth and S-shaped tubing, what did

people think about cells?

O

A. Cells came from preexisting cells.

B. All cells are eukaryotes.

O

C. All cells are prokaryotes.

D. Cells came from nonliving things.

How do scientists and biologists study the world

What is the maximum amount of time perishable foods can safely be held in the danger zone?

Describe the difference in the pH values between the contents of the stomach and duodenum

For seed color, the F2 generation produced both yellow and green seeds because there are two different (blank) for each gene.

Describe how a change in the environment could lead to increased immigration or emigration.

Suggest why there are fewer shire horses today

Potential energy and kinetic energy in a sentence

What are the four different types of monomers that make up each biomolecule?

The red lines represent dna. true the model shows the correct polarity between the orange and red strands. the 5' labels refer to the end of the strand with a nitrogenous base. the model correctly shows an arrowhead on the 3' ends of the strands.

How do molecules differ under a microscope when it becomes winter