What facilitates passive transport across a cell membrane?

adenosine triphosphate

solute equilibrium

concentration gradient

transport proteins

Which correctly distinguishes between a Pinetree an apple tree

all of the compounds that can be synthesized or broken down by chemical reactions inside the body are called

What do you think happens to a fish's behavior in cold climates during winter explain

How Do Day and Night At Uranus's equator change as Uranus revolves around the sun?

Which term best describes the process that increases the quantity of cells

Increased production of goods makes our lives more comfortable, but causes an increase in the demand for energy and other resources. One negative impact of this situation on ecosystems is an increase in

One of the most common causes of pneumonia is Streptococcus pneumoniae, a gram-positive bacterium. Surrounding the bacterium is a thick structural component layer known as a capsule.

What determines which of the two dna strands will serve as the template during transcription?

Which is a type of muscle that powers the cardiovascular system? A. Skeletal muscle B. Cardiac muscle C. Cartilage muscle D. Smooth muscle

To investigate how the sex of an offspring is determined