In diffusion, movement of particles across a membrane is driven by differences in

A. force.

B. concentration.

C. size.

D. shape.

Which of the following would be inhibited by a drug that specifically blocks the addition of phosphate groups to proteins?

Unlike other animals, mammals can perspire. The main benefit of perspiring is that it -

What materials can be used to erase part of a document? Chemicals Eraser Sandpaper All of the above

Meselson and stahl also showed that the two strands of a dna double helix can be separated from each other using heat. What important tool in biology depends on this property of dna? What is one modern application of this tool?

A high fever causes an enzyme to lose its three dimensional structure and function. which bonds are broken when a protein denatures?

An area of land that is covered with a shallow layer of water during some or all of the year is called

What is the role of the atp in the cell

What Are Genes? A. the observable characteristic B. the expressed trait C. the basic unit on inheritance D. the measurable factor

Which best describes oogenesis and spermatogenesis?

What is one thing that all types of asexual reproduction have in common?