Which is a reason that protists are difficult to classify?

A. They are too small.

B. They are all eukaryotes.

C. They have been classified based on what they are not.

D. They have too many shared characteristics.

Transport protein that provides a tube-like opening in the plasma

What is one chemical property of wood

Which inference is the most likely explanation for the universal properties of the genetic code? O A. Other, less useful, versions of the genetic code were eliminated gradually throughout the course of evolution OB.

What do scientists use tools for

The potassium channel protein is a membrane protein that spans the phospholipid bilayer, a strongly non-polar environment.

In the (Blank) the body reacts to each kind of pathogen with a defense targeted specifically for that pathogen.

What are 5 differences and 3 similarities between cellular respiration and photosynthesis

When a cell is not dividing it is said to be resting?

Where in the cell are ribosomes made?

Both external and organization factors shape internal pay structures. a. True b. False