What chemical structure makes up the cell membrane?

hydrophobic fatty acid

protein bilayer

phospholipid bilayer

What effect do high temperatures have on enzymes?

A group of scientists studying the DNA of two hominids concludes the hominids have a common evolutionary ancestor. Which of the following would best support the validity of their conclusion?

What is the term for the jellylike substance that is contained inside the cell membrane?

Which list best represents the flow of stimuli information in the body? A) stimuli receiver, sensory neuron, central nervous system, motor neuron, muscle or gland B) stimuli receiver, motor neuron, peripheral nervous system, sensory neuron, muscle

What are the observable traits of an organism?

How is skin cell different from muscle cells

An Emperor Penguin is diving and as it increases its depth, which of the following decreases due to the lack of sunlight? O cold water O pH salinity biodiversity

A coyote chases a jackrabbit. Which process gives the coyote the energy it needs to chase the jackrabbit?

What are three different types of animal-like protists?

The carrying capacity of a stream is its A. Rate of runoff entering the channel B. stream bank height C. volume of flow D. ability to transport sediment